Home / 54,363.84-81,545.04-14,920.96

Finding the Fourth Proportional to 54,363.84, 81,545.04 and 14,920.96

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Solution

The fourth proportional to 54,363.84, 81,545.04 and 14,920.96 is: 22,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.84 : 81,545.04 = 14,920.96 : x
  2. Step 2: Convert to fraction form
    54,363.84/81,545.04 = 14,920.96/x
  3. Step 3: Cross multiply
    54,363.84x = 81,545.04 × 14,920.96
  4. Step 4: Simplify right side
    54,363.84x = 1,216,730,280.04
  5. Step 5: Solve for x
    x = 1,216,730,280.04/54,363.84
  6. Step 6: Final answer
    x = 22,381.24

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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.