Home / 45,435.52-68,155.68-14,273.20

Finding the Fourth Proportional to 45,435.52, 68,155.68 and 14,273.20

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Solution

The fourth proportional to 45,435.52, 68,155.68 and 14,273.20 is: 21,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.52 : 68,155.68 = 14,273.20 : x
  2. Step 2: Convert to fraction form
    45,435.52/68,155.68 = 14,273.20/x
  3. Step 3: Cross multiply
    45,435.52x = 68,155.68 × 14,273.20
  4. Step 4: Simplify right side
    45,435.52x = 972,799,651.78
  5. Step 5: Solve for x
    x = 972,799,651.78/45,435.52
  6. Step 6: Final answer
    x = 21,410.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.