Home / 56,476.76-77,947.28-31,334.36

Finding the Fourth Proportional to 56,476.76, 77,947.28 and 31,334.36

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Solution

The fourth proportional to 56,476.76, 77,947.28 and 31,334.36 is: 43,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,476.76 : 77,947.28 = 31,334.36 : x
  2. Step 2: Convert to fraction form
    56,476.76/77,947.28 = 31,334.36/x
  3. Step 3: Cross multiply
    56,476.76x = 77,947.28 × 31,334.36
  4. Step 4: Simplify right side
    56,476.76x = 2,442,428,132.54
  5. Step 5: Solve for x
    x = 2,442,428,132.54/56,476.76
  6. Step 6: Final answer
    x = 43,246.61

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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.