Home / 45,275.78-62,480.30-25,135.58

Finding the Fourth Proportional to 45,275.78, 62,480.30 and 25,135.58

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Solution

The fourth proportional to 45,275.78, 62,480.30 and 25,135.58 is: 34,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.78 : 62,480.30 = 25,135.58 : x
  2. Step 2: Convert to fraction form
    45,275.78/62,480.30 = 25,135.58/x
  3. Step 3: Cross multiply
    45,275.78x = 62,480.30 × 25,135.58
  4. Step 4: Simplify right side
    45,275.78x = 1,570,478,579.07
  5. Step 5: Solve for x
    x = 1,570,478,579.07/45,275.78
  6. Step 6: Final answer
    x = 34,686.95

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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.