Home / 43,165.06-64,747.49-13,585.48

Finding the Fourth Proportional to 43,165.06, 64,747.49 and 13,585.48

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Solution

The fourth proportional to 43,165.06, 64,747.49 and 13,585.48 is: 20,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,165.06 : 64,747.49 = 13,585.48 : x
  2. Step 2: Convert to fraction form
    43,165.06/64,747.49 = 13,585.48/x
  3. Step 3: Cross multiply
    43,165.06x = 64,747.49 × 13,585.48
  4. Step 4: Simplify right side
    43,165.06x = 879,625,406.71
  5. Step 5: Solve for x
    x = 879,625,406.71/43,165.06
  6. Step 6: Final answer
    x = 20,378.18

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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.