Home / 43,389.60-65,084.40-17,080

Finding the Fourth Proportional to 43,389.60, 65,084.40 and 17,080

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Solution

The fourth proportional to 43,389.60, 65,084.40 and 17,080 is: 25,620

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389.60 : 65,084.40 = 17,080 : x
  2. Step 2: Convert to fraction form
    43,389.60/65,084.40 = 17,080/x
  3. Step 3: Cross multiply
    43,389.60x = 65,084.40 × 17,080
  4. Step 4: Simplify right side
    43,389.60x = 1,111,641,552
  5. Step 5: Solve for x
    x = 1,111,641,552/43,389.60
  6. Step 6: Final answer
    x = 25,620

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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.