Home / 39,040.20-58,560.30-15,683.40

Finding the Fourth Proportional to 39,040.20, 58,560.30 and 15,683.40

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Solution

The fourth proportional to 39,040.20, 58,560.30 and 15,683.40 is: 23,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.20 : 58,560.30 = 15,683.40 : x
  2. Step 2: Convert to fraction form
    39,040.20/58,560.30 = 15,683.40/x
  3. Step 3: Cross multiply
    39,040.20x = 58,560.30 × 15,683.40
  4. Step 4: Simplify right side
    39,040.20x = 918,424,609.02
  5. Step 5: Solve for x
    x = 918,424,609.02/39,040.20
  6. Step 6: Final answer
    x = 23,525.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.