Home / 56,565.37-77,996.24-36,120.55

Finding the Fourth Proportional to 56,565.37, 77,996.24 and 36,120.55

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Solution

The fourth proportional to 56,565.37, 77,996.24 and 36,120.55 is: 49,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,565.37 : 77,996.24 = 36,120.55 : x
  2. Step 2: Convert to fraction form
    56,565.37/77,996.24 = 36,120.55/x
  3. Step 3: Cross multiply
    56,565.37x = 77,996.24 × 36,120.55
  4. Step 4: Simplify right side
    56,565.37x = 2,817,267,086.73
  5. Step 5: Solve for x
    x = 2,817,267,086.73/56,565.37
  6. Step 6: Final answer
    x = 49,805.51

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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.