Home / 30,460.94-42,061.92-25,451.90

Finding the Fourth Proportional to 30,460.94, 42,061.92 and 25,451.90

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Solution

The fourth proportional to 30,460.94, 42,061.92 and 25,451.90 is: 35,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.94 : 42,061.92 = 25,451.90 : x
  2. Step 2: Convert to fraction form
    30,460.94/42,061.92 = 25,451.90/x
  3. Step 3: Cross multiply
    30,460.94x = 42,061.92 × 25,451.90
  4. Step 4: Simplify right side
    30,460.94x = 1,070,555,781.65
  5. Step 5: Solve for x
    x = 1,070,555,781.65/30,460.94
  6. Step 6: Final answer
    x = 35,145.20

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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.