Home / 52,387.89-72,301.44-29,421.48

Finding the Fourth Proportional to 52,387.89, 72,301.44 and 29,421.48

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Solution

The fourth proportional to 52,387.89, 72,301.44 and 29,421.48 is: 40,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,387.89 : 72,301.44 = 29,421.48 : x
  2. Step 2: Convert to fraction form
    52,387.89/72,301.44 = 29,421.48/x
  3. Step 3: Cross multiply
    52,387.89x = 72,301.44 × 29,421.48
  4. Step 4: Simplify right side
    52,387.89x = 2,127,215,419.31
  5. Step 5: Solve for x
    x = 2,127,215,419.31/52,387.89
  6. Step 6: Final answer
    x = 40,605.10

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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.