Home / 38,658.92-58,010.67-20,889.62

Finding the Fourth Proportional to 38,658.92, 58,010.67 and 20,889.62

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Solution

The fourth proportional to 38,658.92, 58,010.67 and 20,889.62 is: 31,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,658.92 : 58,010.67 = 20,889.62 : x
  2. Step 2: Convert to fraction form
    38,658.92/58,010.67 = 20,889.62/x
  3. Step 3: Cross multiply
    38,658.92x = 58,010.67 × 20,889.62
  4. Step 4: Simplify right side
    38,658.92x = 1,211,820,562.19
  5. Step 5: Solve for x
    x = 1,211,820,562.19/38,658.92
  6. Step 6: Final answer
    x = 31,346.47

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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.