Home / 38,905.67-58,367.03-12,613.07

Finding the Fourth Proportional to 38,905.67, 58,367.03 and 12,613.07

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Solution

The fourth proportional to 38,905.67, 58,367.03 and 12,613.07 is: 18,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.67 : 58,367.03 = 12,613.07 : x
  2. Step 2: Convert to fraction form
    38,905.67/58,367.03 = 12,613.07/x
  3. Step 3: Cross multiply
    38,905.67x = 58,367.03 × 12,613.07
  4. Step 4: Simplify right side
    38,905.67x = 736,187,080.18
  5. Step 5: Solve for x
    x = 736,187,080.18/38,905.67
  6. Step 6: Final answer
    x = 18,922.36

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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.