Home / 56,484.76-77,951.52-31,334.28

Finding the Fourth Proportional to 56,484.76, 77,951.52 and 31,334.28

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Solution

The fourth proportional to 56,484.76, 77,951.52 and 31,334.28 is: 43,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,484.76 : 77,951.52 = 31,334.28 : x
  2. Step 2: Convert to fraction form
    56,484.76/77,951.52 = 31,334.28/x
  3. Step 3: Cross multiply
    56,484.76x = 77,951.52 × 31,334.28
  4. Step 4: Simplify right side
    56,484.76x = 2,442,554,754.11
  5. Step 5: Solve for x
    x = 2,442,554,754.11/56,484.76
  6. Step 6: Final answer
    x = 43,242.72

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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.