Home / 40,285.76-60,438.05-12,206.03

Finding the Fourth Proportional to 40,285.76, 60,438.05 and 12,206.03

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Solution

The fourth proportional to 40,285.76, 60,438.05 and 12,206.03 is: 18,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.76 : 60,438.05 = 12,206.03 : x
  2. Step 2: Convert to fraction form
    40,285.76/60,438.05 = 12,206.03/x
  3. Step 3: Cross multiply
    40,285.76x = 60,438.05 × 12,206.03
  4. Step 4: Simplify right side
    40,285.76x = 737,708,590.41
  5. Step 5: Solve for x
    x = 737,708,590.41/40,285.76
  6. Step 6: Final answer
    x = 18,311.89

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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.