Home / 43,158.48-64,710.92-18,185.68

Finding the Fourth Proportional to 43,158.48, 64,710.92 and 18,185.68

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Solution

The fourth proportional to 43,158.48, 64,710.92 and 18,185.68 is: 27,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,158.48 : 64,710.92 = 18,185.68 : x
  2. Step 2: Convert to fraction form
    43,158.48/64,710.92 = 18,185.68/x
  3. Step 3: Cross multiply
    43,158.48x = 64,710.92 × 18,185.68
  4. Step 4: Simplify right side
    43,158.48x = 1,176,812,083.63
  5. Step 5: Solve for x
    x = 1,176,812,083.63/43,158.48
  6. Step 6: Final answer
    x = 27,267.23

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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.