Home / 55,059.96-75,982.68-29,909.28

Finding the Fourth Proportional to 55,059.96, 75,982.68 and 29,909.28

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Solution

The fourth proportional to 55,059.96, 75,982.68 and 29,909.28 is: 41,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.96 : 75,982.68 = 29,909.28 : x
  2. Step 2: Convert to fraction form
    55,059.96/75,982.68 = 29,909.28/x
  3. Step 3: Cross multiply
    55,059.96x = 75,982.68 × 29,909.28
  4. Step 4: Simplify right side
    55,059.96x = 2,272,587,251.27
  5. Step 5: Solve for x
    x = 2,272,587,251.27/55,059.96
  6. Step 6: Final answer
    x = 41,274.77

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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.