Home / 38,447.04-57,670.21-12,151.79

Finding the Fourth Proportional to 38,447.04, 57,670.21 and 12,151.79

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Solution

The fourth proportional to 38,447.04, 57,670.21 and 12,151.79 is: 18,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,447.04 : 57,670.21 = 12,151.79 : x
  2. Step 2: Convert to fraction form
    38,447.04/57,670.21 = 12,151.79/x
  3. Step 3: Cross multiply
    38,447.04x = 57,670.21 × 12,151.79
  4. Step 4: Simplify right side
    38,447.04x = 700,796,281.18
  5. Step 5: Solve for x
    x = 700,796,281.18/38,447.04
  6. Step 6: Final answer
    x = 18,227.57

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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.