Home / 39,951.60-59,887.44-20,170.32

Finding the Fourth Proportional to 39,951.60, 59,887.44 and 20,170.32

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Solution

The fourth proportional to 39,951.60, 59,887.44 and 20,170.32 is: 30,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.60 : 59,887.44 = 20,170.32 : x
  2. Step 2: Convert to fraction form
    39,951.60/59,887.44 = 20,170.32/x
  3. Step 3: Cross multiply
    39,951.60x = 59,887.44 × 20,170.32
  4. Step 4: Simplify right side
    39,951.60x = 1,207,948,828.78
  5. Step 5: Solve for x
    x = 1,207,948,828.78/39,951.60
  6. Step 6: Final answer
    x = 30,235.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.