Home / 45,128.62-67,680.55-25,113.46

Finding the Fourth Proportional to 45,128.62, 67,680.55 and 25,113.46

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Solution

The fourth proportional to 45,128.62, 67,680.55 and 25,113.46 is: 37,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,128.62 : 67,680.55 = 25,113.46 : x
  2. Step 2: Convert to fraction form
    45,128.62/67,680.55 = 25,113.46/x
  3. Step 3: Cross multiply
    45,128.62x = 67,680.55 × 25,113.46
  4. Step 4: Simplify right side
    45,128.62x = 1,699,692,785.20
  5. Step 5: Solve for x
    x = 1,699,692,785.20/45,128.62
  6. Step 6: Final answer
    x = 37,663.30

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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.