Home / 53,385.57-80,126.64-28,446.68

Finding the Fourth Proportional to 53,385.57, 80,126.64 and 28,446.68

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Solution

The fourth proportional to 53,385.57, 80,126.64 and 28,446.68 is: 42,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.57 : 80,126.64 = 28,446.68 : x
  2. Step 2: Convert to fraction form
    53,385.57/80,126.64 = 28,446.68/x
  3. Step 3: Cross multiply
    53,385.57x = 80,126.64 × 28,446.68
  4. Step 4: Simplify right side
    53,385.57x = 2,279,336,486.92
  5. Step 5: Solve for x
    x = 2,279,336,486.92/53,385.57
  6. Step 6: Final answer
    x = 42,695.74

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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.