Home / 39,343.16-59,032.18-20,618.74

Finding the Fourth Proportional to 39,343.16, 59,032.18 and 20,618.74

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Solution

The fourth proportional to 39,343.16, 59,032.18 and 20,618.74 is: 30,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.16 : 59,032.18 = 20,618.74 : x
  2. Step 2: Convert to fraction form
    39,343.16/59,032.18 = 20,618.74/x
  3. Step 3: Cross multiply
    39,343.16x = 59,032.18 × 20,618.74
  4. Step 4: Simplify right side
    39,343.16x = 1,217,169,171.05
  5. Step 5: Solve for x
    x = 1,217,169,171.05/39,343.16
  6. Step 6: Final answer
    x = 30,937.25

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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.