Home / 45,282.60-62,490.68-25,140.78

Finding the Fourth Proportional to 45,282.60, 62,490.68 and 25,140.78

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Solution

The fourth proportional to 45,282.60, 62,490.68 and 25,140.78 is: 34,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,282.60 : 62,490.68 = 25,140.78 : x
  2. Step 2: Convert to fraction form
    45,282.60/62,490.68 = 25,140.78/x
  3. Step 3: Cross multiply
    45,282.60x = 62,490.68 × 25,140.78
  4. Step 4: Simplify right side
    45,282.60x = 1,571,064,437.93
  5. Step 5: Solve for x
    x = 1,571,064,437.93/45,282.60
  6. Step 6: Final answer
    x = 34,694.66

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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.