Home / 56,129.70-77,469.02-33,470.15

Finding the Fourth Proportional to 56,129.70, 77,469.02 and 33,470.15

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Solution

The fourth proportional to 56,129.70, 77,469.02 and 33,470.15 is: 46,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.70 : 77,469.02 = 33,470.15 : x
  2. Step 2: Convert to fraction form
    56,129.70/77,469.02 = 33,470.15/x
  3. Step 3: Cross multiply
    56,129.70x = 77,469.02 × 33,470.15
  4. Step 4: Simplify right side
    56,129.70x = 2,592,899,719.75
  5. Step 5: Solve for x
    x = 2,592,899,719.75/56,129.70
  6. Step 6: Final answer
    x = 46,194.79

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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.