Home / 54,299.29-81,449-14,856.74

Finding the Fourth Proportional to 54,299.29, 81,449 and 14,856.74

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Solution

The fourth proportional to 54,299.29, 81,449 and 14,856.74 is: 22,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.29 : 81,449 = 14,856.74 : x
  2. Step 2: Convert to fraction form
    54,299.29/81,449 = 14,856.74/x
  3. Step 3: Cross multiply
    54,299.29x = 81,449 × 14,856.74
  4. Step 4: Simplify right side
    54,299.29x = 1,210,066,616.26
  5. Step 5: Solve for x
    x = 1,210,066,616.26/54,299.29
  6. Step 6: Final answer
    x = 22,285.13

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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.