Home / 55,560.30-76,654.15-31,669.74

Finding the Fourth Proportional to 55,560.30, 76,654.15 and 31,669.74

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Solution

The fourth proportional to 55,560.30, 76,654.15 and 31,669.74 is: 43,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560.30 : 76,654.15 = 31,669.74 : x
  2. Step 2: Convert to fraction form
    55,560.30/76,654.15 = 31,669.74/x
  3. Step 3: Cross multiply
    55,560.30x = 76,654.15 × 31,669.74
  4. Step 4: Simplify right side
    55,560.30x = 2,427,617,000.42
  5. Step 5: Solve for x
    x = 2,427,617,000.42/55,560.30
  6. Step 6: Final answer
    x = 43,693.37

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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.