Home / 32,856.75-45,428.72-31,387.95

Finding the Fourth Proportional to 32,856.75, 45,428.72 and 31,387.95

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Solution

The fourth proportional to 32,856.75, 45,428.72 and 31,387.95 is: 43,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.75 : 45,428.72 = 31,387.95 : x
  2. Step 2: Convert to fraction form
    32,856.75/45,428.72 = 31,387.95/x
  3. Step 3: Cross multiply
    32,856.75x = 45,428.72 × 31,387.95
  4. Step 4: Simplify right side
    32,856.75x = 1,425,914,234.98
  5. Step 5: Solve for x
    x = 1,425,914,234.98/32,856.75
  6. Step 6: Final answer
    x = 43,397.91

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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.