Home / 54,547.20-81,806.40-17,107.20

Finding the Fourth Proportional to 54,547.20, 81,806.40 and 17,107.20

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Solution

The fourth proportional to 54,547.20, 81,806.40 and 17,107.20 is: 25,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,547.20 : 81,806.40 = 17,107.20 : x
  2. Step 2: Convert to fraction form
    54,547.20/81,806.40 = 17,107.20/x
  3. Step 3: Cross multiply
    54,547.20x = 81,806.40 × 17,107.20
  4. Step 4: Simplify right side
    54,547.20x = 1,399,478,446.08
  5. Step 5: Solve for x
    x = 1,399,478,446.08/54,547.20
  6. Step 6: Final answer
    x = 25,656.28

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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.