Home / 56,129.40-77,456.64-33,456.70

Finding the Fourth Proportional to 56,129.40, 77,456.64 and 33,456.70

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Solution

The fourth proportional to 56,129.40, 77,456.64 and 33,456.70 is: 46,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.40 : 77,456.64 = 33,456.70 : x
  2. Step 2: Convert to fraction form
    56,129.40/77,456.64 = 33,456.70/x
  3. Step 3: Cross multiply
    56,129.40x = 77,456.64 × 33,456.70
  4. Step 4: Simplify right side
    56,129.40x = 2,591,443,373.85
  5. Step 5: Solve for x
    x = 2,591,443,373.85/56,129.40
  6. Step 6: Final answer
    x = 46,169.09

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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.