Home / 43,549.40-65,348.40-18,585.20

Finding the Fourth Proportional to 43,549.40, 65,348.40 and 18,585.20

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Solution

The fourth proportional to 43,549.40, 65,348.40 and 18,585.20 is: 27,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,549.40 : 65,348.40 = 18,585.20 : x
  2. Step 2: Convert to fraction form
    43,549.40/65,348.40 = 18,585.20/x
  3. Step 3: Cross multiply
    43,549.40x = 65,348.40 × 18,585.20
  4. Step 4: Simplify right side
    43,549.40x = 1,214,513,083.68
  5. Step 5: Solve for x
    x = 1,214,513,083.68/43,549.40
  6. Step 6: Final answer
    x = 27,888.17

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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.