Home / 55,059.20-75,979.44-29,908.16

Finding the Fourth Proportional to 55,059.20, 75,979.44 and 29,908.16

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Solution

The fourth proportional to 55,059.20, 75,979.44 and 29,908.16 is: 41,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.20 : 75,979.44 = 29,908.16 : x
  2. Step 2: Convert to fraction form
    55,059.20/75,979.44 = 29,908.16/x
  3. Step 3: Cross multiply
    55,059.20x = 75,979.44 × 29,908.16
  4. Step 4: Simplify right side
    55,059.20x = 2,272,405,248.23
  5. Step 5: Solve for x
    x = 2,272,405,248.23/55,059.20
  6. Step 6: Final answer
    x = 41,272.04

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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.