Home / 56,062.89-77,366.43-30,912.39

Finding the Fourth Proportional to 56,062.89, 77,366.43 and 30,912.39

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Solution

The fourth proportional to 56,062.89, 77,366.43 and 30,912.39 is: 42,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,062.89 : 77,366.43 = 30,912.39 : x
  2. Step 2: Convert to fraction form
    56,062.89/77,366.43 = 30,912.39/x
  3. Step 3: Cross multiply
    56,062.89x = 77,366.43 × 30,912.39
  4. Step 4: Simplify right side
    56,062.89x = 2,391,581,257.07
  5. Step 5: Solve for x
    x = 2,391,581,257.07/56,062.89
  6. Step 6: Final answer
    x = 42,658.90

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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.