Home / 54,354.24-81,439.08-26,287.50

Finding the Fourth Proportional to 54,354.24, 81,439.08 and 26,287.50

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Solution

The fourth proportional to 54,354.24, 81,439.08 and 26,287.50 is: 39,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.24 : 81,439.08 = 26,287.50 : x
  2. Step 2: Convert to fraction form
    54,354.24/81,439.08 = 26,287.50/x
  3. Step 3: Cross multiply
    54,354.24x = 81,439.08 × 26,287.50
  4. Step 4: Simplify right side
    54,354.24x = 2,140,829,815.50
  5. Step 5: Solve for x
    x = 2,140,829,815.50/54,354.24
  6. Step 6: Final answer
    x = 39,386.62

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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.