Home / 38,906.42-58,368.15-12,613.82

Finding the Fourth Proportional to 38,906.42, 58,368.15 and 12,613.82

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Solution

The fourth proportional to 38,906.42, 58,368.15 and 12,613.82 is: 18,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.42 : 58,368.15 = 12,613.82 : x
  2. Step 2: Convert to fraction form
    38,906.42/58,368.15 = 12,613.82/x
  3. Step 3: Cross multiply
    38,906.42x = 58,368.15 × 12,613.82
  4. Step 4: Simplify right side
    38,906.42x = 736,245,045.99
  5. Step 5: Solve for x
    x = 736,245,045.99/38,906.42
  6. Step 6: Final answer
    x = 18,923.49

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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.