Home / 45,765.30-63,153.07-25,618.78

Finding the Fourth Proportional to 45,765.30, 63,153.07 and 25,618.78

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Solution

The fourth proportional to 45,765.30, 63,153.07 and 25,618.78 is: 35,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,765.30 : 63,153.07 = 25,618.78 : x
  2. Step 2: Convert to fraction form
    45,765.30/63,153.07 = 25,618.78/x
  3. Step 3: Cross multiply
    45,765.30x = 63,153.07 × 25,618.78
  4. Step 4: Simplify right side
    45,765.30x = 1,617,904,621.55
  5. Step 5: Solve for x
    x = 1,617,904,621.55/45,765.30
  6. Step 6: Final answer
    x = 35,352.21

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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.