Home / 56,287.11-77,675.56-30,793.18

Finding the Fourth Proportional to 56,287.11, 77,675.56 and 30,793.18

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Solution

The fourth proportional to 56,287.11, 77,675.56 and 30,793.18 is: 42,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,287.11 : 77,675.56 = 30,793.18 : x
  2. Step 2: Convert to fraction form
    56,287.11/77,675.56 = 30,793.18/x
  3. Step 3: Cross multiply
    56,287.11x = 77,675.56 × 30,793.18
  4. Step 4: Simplify right side
    56,287.11x = 2,391,877,500.68
  5. Step 5: Solve for x
    x = 2,391,877,500.68/56,287.11
  6. Step 6: Final answer
    x = 42,494.23

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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.