Home / 43,260.80-64,920.14-15,180.98

Finding the Fourth Proportional to 43,260.80, 64,920.14 and 15,180.98

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Solution

The fourth proportional to 43,260.80, 64,920.14 and 15,180.98 is: 22,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.80 : 64,920.14 = 15,180.98 : x
  2. Step 2: Convert to fraction form
    43,260.80/64,920.14 = 15,180.98/x
  3. Step 3: Cross multiply
    43,260.80x = 64,920.14 × 15,180.98
  4. Step 4: Simplify right side
    43,260.80x = 985,551,060.29
  5. Step 5: Solve for x
    x = 985,551,060.29/43,260.80
  6. Step 6: Final answer
    x = 22,781.62

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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.