Home / 56,073.28-77,380.68-30,922.80

Finding the Fourth Proportional to 56,073.28, 77,380.68 and 30,922.80

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Solution

The fourth proportional to 56,073.28, 77,380.68 and 30,922.80 is: 42,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073.28 : 77,380.68 = 30,922.80 : x
  2. Step 2: Convert to fraction form
    56,073.28/77,380.68 = 30,922.80/x
  3. Step 3: Cross multiply
    56,073.28x = 77,380.68 × 30,922.80
  4. Step 4: Simplify right side
    56,073.28x = 2,392,827,291.50
  5. Step 5: Solve for x
    x = 2,392,827,291.50/56,073.28
  6. Step 6: Final answer
    x = 42,673.22

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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.