Home / 45,478.20-62,760.00-25,335.80

Finding the Fourth Proportional to 45,478.20, 62,760.00 and 25,335.80

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Solution

The fourth proportional to 45,478.20, 62,760.00 and 25,335.80 is: 34,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,478.20 : 62,760.00 = 25,335.80 : x
  2. Step 2: Convert to fraction form
    45,478.20/62,760.00 = 25,335.80/x
  3. Step 3: Cross multiply
    45,478.20x = 62,760.00 × 25,335.80
  4. Step 4: Simplify right side
    45,478.20x = 1,590,074,658.57
  5. Step 5: Solve for x
    x = 1,590,074,658.57/45,478.20
  6. Step 6: Final answer
    x = 34,963.45

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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.