Home / 43,295.04-64,945.08-12,132.72

Finding the Fourth Proportional to 43,295.04, 64,945.08 and 12,132.72

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Solution

The fourth proportional to 43,295.04, 64,945.08 and 12,132.72 is: 18,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,295.04 : 64,945.08 = 12,132.72 : x
  2. Step 2: Convert to fraction form
    43,295.04/64,945.08 = 12,132.72/x
  3. Step 3: Cross multiply
    43,295.04x = 64,945.08 × 12,132.72
  4. Step 4: Simplify right side
    43,295.04x = 787,960,471.02
  5. Step 5: Solve for x
    x = 787,960,471.02/43,295.04
  6. Step 6: Final answer
    x = 18,199.79

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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.