Home / 57,060.56-78,747.72-31,918.16

Finding the Fourth Proportional to 57,060.56, 78,747.72 and 31,918.16

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Solution

The fourth proportional to 57,060.56, 78,747.72 and 31,918.16 is: 44,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060.56 : 78,747.72 = 31,918.16 : x
  2. Step 2: Convert to fraction form
    57,060.56/78,747.72 = 31,918.16/x
  3. Step 3: Cross multiply
    57,060.56x = 78,747.72 × 31,918.16
  4. Step 4: Simplify right side
    57,060.56x = 2,513,482,326.60
  5. Step 5: Solve for x
    x = 2,513,482,326.60/57,060.56
  6. Step 6: Final answer
    x = 44,049.38

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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.