Home / 43,042-64,565.44-15,340

Finding the Fourth Proportional to 43,042, 64,565.44 and 15,340

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Solution

The fourth proportional to 43,042, 64,565.44 and 15,340 is: 23,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042 : 64,565.44 = 15,340 : x
  2. Step 2: Convert to fraction form
    43,042/64,565.44 = 15,340/x
  3. Step 3: Cross multiply
    43,042x = 64,565.44 × 15,340
  4. Step 4: Simplify right side
    43,042x = 990,433,849.60
  5. Step 5: Solve for x
    x = 990,433,849.60/43,042
  6. Step 6: Final answer
    x = 23,010.87

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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.