Home / 56,560.20-84,811.28-29,920.56

Finding the Fourth Proportional to 56,560.20, 84,811.28 and 29,920.56

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Solution

The fourth proportional to 56,560.20, 84,811.28 and 29,920.56 is: 44,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,560.20 : 84,811.28 = 29,920.56 : x
  2. Step 2: Convert to fraction form
    56,560.20/84,811.28 = 29,920.56/x
  3. Step 3: Cross multiply
    56,560.20x = 84,811.28 × 29,920.56
  4. Step 4: Simplify right side
    56,560.20x = 2,537,600,991.92
  5. Step 5: Solve for x
    x = 2,537,600,991.92/56,560.20
  6. Step 6: Final answer
    x = 44,865.49

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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.