Home / 53,410.38-80,132.19-38,624.64

Finding the Fourth Proportional to 53,410.38, 80,132.19 and 38,624.64

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Solution

The fourth proportional to 53,410.38, 80,132.19 and 38,624.64 is: 57,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,410.38 : 80,132.19 = 38,624.64 : x
  2. Step 2: Convert to fraction form
    53,410.38/80,132.19 = 38,624.64/x
  3. Step 3: Cross multiply
    53,410.38x = 80,132.19 × 38,624.64
  4. Step 4: Simplify right side
    53,410.38x = 3,095,076,991.16
  5. Step 5: Solve for x
    x = 3,095,076,991.16/53,410.38
  6. Step 6: Final answer
    x = 57,948.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.