Home / 32,875.40-45,366.48-20,149.76

Finding the Fourth Proportional to 32,875.40, 45,366.48 and 20,149.76

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Solution

The fourth proportional to 32,875.40, 45,366.48 and 20,149.76 is: 27,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,875.40 : 45,366.48 = 20,149.76 : x
  2. Step 2: Convert to fraction form
    32,875.40/45,366.48 = 20,149.76/x
  3. Step 3: Cross multiply
    32,875.40x = 45,366.48 × 20,149.76
  4. Step 4: Simplify right side
    32,875.40x = 914,123,684.04
  5. Step 5: Solve for x
    x = 914,123,684.04/32,875.40
  6. Step 6: Final answer
    x = 27,805.71

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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.