Home / 53,910.28-74,398.26-31,248.88

Finding the Fourth Proportional to 53,910.28, 74,398.26 and 31,248.88

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Solution

The fourth proportional to 53,910.28, 74,398.26 and 31,248.88 is: 43,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.28 : 74,398.26 = 31,248.88 : x
  2. Step 2: Convert to fraction form
    53,910.28/74,398.26 = 31,248.88/x
  3. Step 3: Cross multiply
    53,910.28x = 74,398.26 × 31,248.88
  4. Step 4: Simplify right side
    53,910.28x = 2,324,862,298.95
  5. Step 5: Solve for x
    x = 2,324,862,298.95/53,910.28
  6. Step 6: Final answer
    x = 43,124.66

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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.