Home / 53,385.82-80,127.02-28,446.93

Finding the Fourth Proportional to 53,385.82, 80,127.02 and 28,446.93

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Solution

The fourth proportional to 53,385.82, 80,127.02 and 28,446.93 is: 42,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.82 : 80,127.02 = 28,446.93 : x
  2. Step 2: Convert to fraction form
    53,385.82/80,127.02 = 28,446.93/x
  3. Step 3: Cross multiply
    53,385.82x = 80,127.02 × 28,446.93
  4. Step 4: Simplify right side
    53,385.82x = 2,279,367,186.18
  5. Step 5: Solve for x
    x = 2,279,367,186.18/53,385.82
  6. Step 6: Final answer
    x = 42,696.12

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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.