Home / 30,648.19-45,971.99-9,588.40

Finding the Fourth Proportional to 30,648.19, 45,971.99 and 9,588.40

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Solution

The fourth proportional to 30,648.19, 45,971.99 and 9,588.40 is: 14,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,648.19 : 45,971.99 = 9,588.40 : x
  2. Step 2: Convert to fraction form
    30,648.19/45,971.99 = 9,588.40/x
  3. Step 3: Cross multiply
    30,648.19x = 45,971.99 × 9,588.40
  4. Step 4: Simplify right side
    30,648.19x = 440,797,871.75
  5. Step 5: Solve for x
    x = 440,797,871.75/30,648.19
  6. Step 6: Final answer
    x = 14,382.51

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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.