Home / 54,320.12-81,480.18-14,876.90

Finding the Fourth Proportional to 54,320.12, 81,480.18 and 14,876.90

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Solution

The fourth proportional to 54,320.12, 81,480.18 and 14,876.90 is: 22,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.12 : 81,480.18 = 14,876.90 : x
  2. Step 2: Convert to fraction form
    54,320.12/81,480.18 = 14,876.90/x
  3. Step 3: Cross multiply
    54,320.12x = 81,480.18 × 14,876.90
  4. Step 4: Simplify right side
    54,320.12x = 1,212,172,489.84
  5. Step 5: Solve for x
    x = 1,212,172,489.84/54,320.12
  6. Step 6: Final answer
    x = 22,315.35

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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.