Home / 30,536.87-42,126.10-25,167.78

Finding the Fourth Proportional to 30,536.87, 42,126.10 and 25,167.78

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Solution

The fourth proportional to 30,536.87, 42,126.10 and 25,167.78 is: 34,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,536.87 : 42,126.10 = 25,167.78 : x
  2. Step 2: Convert to fraction form
    30,536.87/42,126.10 = 25,167.78/x
  3. Step 3: Cross multiply
    30,536.87x = 42,126.10 × 25,167.78
  4. Step 4: Simplify right side
    30,536.87x = 1,060,220,354.14
  5. Step 5: Solve for x
    x = 1,060,220,354.14/30,536.87
  6. Step 6: Final answer
    x = 34,719.36

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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.