Home / 38,661.28-58,000.98-12,005.90

Finding the Fourth Proportional to 38,661.28, 58,000.98 and 12,005.90

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Solution

The fourth proportional to 38,661.28, 58,000.98 and 12,005.90 is: 18,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.28 : 58,000.98 = 12,005.90 : x
  2. Step 2: Convert to fraction form
    38,661.28/58,000.98 = 12,005.90/x
  3. Step 3: Cross multiply
    38,661.28x = 58,000.98 × 12,005.90
  4. Step 4: Simplify right side
    38,661.28x = 696,353,965.78
  5. Step 5: Solve for x
    x = 696,353,965.78/38,661.28
  6. Step 6: Final answer
    x = 18,011.66

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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.