Home / 40,720.25-56,193.24-22,815.20

Finding the Fourth Proportional to 40,720.25, 56,193.24 and 22,815.20

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Solution

The fourth proportional to 40,720.25, 56,193.24 and 22,815.20 is: 31,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.25 : 56,193.24 = 22,815.20 : x
  2. Step 2: Convert to fraction form
    40,720.25/56,193.24 = 22,815.20/x
  3. Step 3: Cross multiply
    40,720.25x = 56,193.24 × 22,815.20
  4. Step 4: Simplify right side
    40,720.25x = 1,282,060,235.29
  5. Step 5: Solve for x
    x = 1,282,060,235.29/40,720.25
  6. Step 6: Final answer
    x = 31,484.58

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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.