Home / 56,359.67-77,778.69-31,209.17

Finding the Fourth Proportional to 56,359.67, 77,778.69 and 31,209.17

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Solution

The fourth proportional to 56,359.67, 77,778.69 and 31,209.17 is: 43,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.67 : 77,778.69 = 31,209.17 : x
  2. Step 2: Convert to fraction form
    56,359.67/77,778.69 = 31,209.17/x
  3. Step 3: Cross multiply
    56,359.67x = 77,778.69 × 31,209.17
  4. Step 4: Simplify right side
    56,359.67x = 2,427,408,358.59
  5. Step 5: Solve for x
    x = 2,427,408,358.59/56,359.67
  6. Step 6: Final answer
    x = 43,069.95

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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.