Home / 39,421.26-54,402.96-22,428.48

Finding the Fourth Proportional to 39,421.26, 54,402.96 and 22,428.48

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Solution

The fourth proportional to 39,421.26, 54,402.96 and 22,428.48 is: 30,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.26 : 54,402.96 = 22,428.48 : x
  2. Step 2: Convert to fraction form
    39,421.26/54,402.96 = 22,428.48/x
  3. Step 3: Cross multiply
    39,421.26x = 54,402.96 × 22,428.48
  4. Step 4: Simplify right side
    39,421.26x = 1,220,175,700.30
  5. Step 5: Solve for x
    x = 1,220,175,700.30/39,421.26
  6. Step 6: Final answer
    x = 30,952.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.