Home / 53,375.02-80,062.53-13,931.79

Finding the Fourth Proportional to 53,375.02, 80,062.53 and 13,931.79

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Solution

The fourth proportional to 53,375.02, 80,062.53 and 13,931.79 is: 20,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,375.02 : 80,062.53 = 13,931.79 : x
  2. Step 2: Convert to fraction form
    53,375.02/80,062.53 = 13,931.79/x
  3. Step 3: Cross multiply
    53,375.02x = 80,062.53 × 13,931.79
  4. Step 4: Simplify right side
    53,375.02x = 1,115,414,354.83
  5. Step 5: Solve for x
    x = 1,115,414,354.83/53,375.02
  6. Step 6: Final answer
    x = 20,897.69

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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.