Home / 30,354.71-41,911.08-25,331.91

Finding the Fourth Proportional to 30,354.71, 41,911.08 and 25,331.91

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Solution

The fourth proportional to 30,354.71, 41,911.08 and 25,331.91 is: 34,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.71 : 41,911.08 = 25,331.91 : x
  2. Step 2: Convert to fraction form
    30,354.71/41,911.08 = 25,331.91/x
  3. Step 3: Cross multiply
    30,354.71x = 41,911.08 × 25,331.91
  4. Step 4: Simplify right side
    30,354.71x = 1,061,687,579.90
  5. Step 5: Solve for x
    x = 1,061,687,579.90/30,354.71
  6. Step 6: Final answer
    x = 34,976.04

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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.