Home / 43,306.47-64,961.55-13,723.65

Finding the Fourth Proportional to 43,306.47, 64,961.55 and 13,723.65

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Solution

The fourth proportional to 43,306.47, 64,961.55 and 13,723.65 is: 20,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,306.47 : 64,961.55 = 13,723.65 : x
  2. Step 2: Convert to fraction form
    43,306.47/64,961.55 = 13,723.65/x
  3. Step 3: Cross multiply
    43,306.47x = 64,961.55 × 13,723.65
  4. Step 4: Simplify right side
    43,306.47x = 891,509,575.66
  5. Step 5: Solve for x
    x = 891,509,575.66/43,306.47
  6. Step 6: Final answer
    x = 20,586.06

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1.5x scale

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.