Home / 40,856.31-56,385.79-27,455.47

Finding the Fourth Proportional to 40,856.31, 56,385.79 and 27,455.47

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Solution

The fourth proportional to 40,856.31, 56,385.79 and 27,455.47 is: 37,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.31 : 56,385.79 = 27,455.47 : x
  2. Step 2: Convert to fraction form
    40,856.31/56,385.79 = 27,455.47/x
  3. Step 3: Cross multiply
    40,856.31x = 56,385.79 × 27,455.47
  4. Step 4: Simplify right side
    40,856.31x = 1,548,098,156.17
  5. Step 5: Solve for x
    x = 1,548,098,156.17/40,856.31
  6. Step 6: Final answer
    x = 37,891.29

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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.