Home / 45,227.72-67,809.90-17,149.34

Finding the Fourth Proportional to 45,227.72, 67,809.90 and 17,149.34

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Solution

The fourth proportional to 45,227.72, 67,809.90 and 17,149.34 is: 25,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,227.72 : 67,809.90 = 17,149.34 : x
  2. Step 2: Convert to fraction form
    45,227.72/67,809.90 = 17,149.34/x
  3. Step 3: Cross multiply
    45,227.72x = 67,809.90 × 17,149.34
  4. Step 4: Simplify right side
    45,227.72x = 1,162,895,030.47
  5. Step 5: Solve for x
    x = 1,162,895,030.47/45,227.72
  6. Step 6: Final answer
    x = 25,712.00

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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.