Home / 38,690.68-58,040.20-16,506.40

Finding the Fourth Proportional to 38,690.68, 58,040.20 and 16,506.40

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Solution

The fourth proportional to 38,690.68, 58,040.20 and 16,506.40 is: 24,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.68 : 58,040.20 = 16,506.40 : x
  2. Step 2: Convert to fraction form
    38,690.68/58,040.20 = 16,506.40/x
  3. Step 3: Cross multiply
    38,690.68x = 58,040.20 × 16,506.40
  4. Step 4: Simplify right side
    38,690.68x = 958,034,757.28
  5. Step 5: Solve for x
    x = 958,034,757.28/38,690.68
  6. Step 6: Final answer
    x = 24,761.38

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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.