Home / 45,431.50-62,695.45-25,287.94

Finding the Fourth Proportional to 45,431.50, 62,695.45 and 25,287.94

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Solution

The fourth proportional to 45,431.50, 62,695.45 and 25,287.94 is: 34,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.50 : 62,695.45 = 25,287.94 : x
  2. Step 2: Convert to fraction form
    45,431.50/62,695.45 = 25,287.94/x
  3. Step 3: Cross multiply
    45,431.50x = 62,695.45 × 25,287.94
  4. Step 4: Simplify right side
    45,431.50x = 1,585,438,777.87
  5. Step 5: Solve for x
    x = 1,585,438,777.87/45,431.50
  6. Step 6: Final answer
    x = 34,897.35

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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.