Home / 40,456.90-60,620.55-25,639.30

Finding the Fourth Proportional to 40,456.90, 60,620.55 and 25,639.30

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Solution

The fourth proportional to 40,456.90, 60,620.55 and 25,639.30 is: 38,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.90 : 60,620.55 = 25,639.30 : x
  2. Step 2: Convert to fraction form
    40,456.90/60,620.55 = 25,639.30/x
  3. Step 3: Cross multiply
    40,456.90x = 60,620.55 × 25,639.30
  4. Step 4: Simplify right side
    40,456.90x = 1,554,268,467.62
  5. Step 5: Solve for x
    x = 1,554,268,467.62/40,456.90
  6. Step 6: Final answer
    x = 38,417.88

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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.