Home / 40,689.12-61,033.04-17,009.36

Finding the Fourth Proportional to 40,689.12, 61,033.04 and 17,009.36

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Solution

The fourth proportional to 40,689.12, 61,033.04 and 17,009.36 is: 25,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.12 : 61,033.04 = 17,009.36 : x
  2. Step 2: Convert to fraction form
    40,689.12/61,033.04 = 17,009.36/x
  3. Step 3: Cross multiply
    40,689.12x = 61,033.04 × 17,009.36
  4. Step 4: Simplify right side
    40,689.12x = 1,038,132,949.25
  5. Step 5: Solve for x
    x = 1,038,132,949.25/40,689.12
  6. Step 6: Final answer
    x = 25,513.77

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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.