Home / 55,027.28-75,937.80-29,877.20

Finding the Fourth Proportional to 55,027.28, 75,937.80 and 29,877.20

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Solution

The fourth proportional to 55,027.28, 75,937.80 and 29,877.20 is: 41,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.28 : 75,937.80 = 29,877.20 : x
  2. Step 2: Convert to fraction form
    55,027.28/75,937.80 = 29,877.20/x
  3. Step 3: Cross multiply
    55,027.28x = 75,937.80 × 29,877.20
  4. Step 4: Simplify right side
    55,027.28x = 2,268,808,838.16
  5. Step 5: Solve for x
    x = 2,268,808,838.16/55,027.28
  6. Step 6: Final answer
    x = 41,230.62

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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.