Home / 36,385.70-50,211.77-20,470.16

Finding the Fourth Proportional to 36,385.70, 50,211.77 and 20,470.16

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Solution

The fourth proportional to 36,385.70, 50,211.77 and 20,470.16 is: 28,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.70 : 50,211.77 = 20,470.16 : x
  2. Step 2: Convert to fraction form
    36,385.70/50,211.77 = 20,470.16/x
  3. Step 3: Cross multiply
    36,385.70x = 50,211.77 × 20,470.16
  4. Step 4: Simplify right side
    36,385.70x = 1,027,842,988.96
  5. Step 5: Solve for x
    x = 1,027,842,988.96/36,385.70
  6. Step 6: Final answer
    x = 28,248.55

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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.