Home / 56,339.28-77,747.94-30,497.76

Finding the Fourth Proportional to 56,339.28, 77,747.94 and 30,497.76

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Solution

The fourth proportional to 56,339.28, 77,747.94 and 30,497.76 is: 42,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.28 : 77,747.94 = 30,497.76 : x
  2. Step 2: Convert to fraction form
    56,339.28/77,747.94 = 30,497.76/x
  3. Step 3: Cross multiply
    56,339.28x = 77,747.94 × 30,497.76
  4. Step 4: Simplify right side
    56,339.28x = 2,371,138,014.61
  5. Step 5: Solve for x
    x = 2,371,138,014.61/56,339.28
  6. Step 6: Final answer
    x = 42,086.76

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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.