Home / 40,303.12-60,452.76-12,221.92

Finding the Fourth Proportional to 40,303.12, 60,452.76 and 12,221.92

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Solution

The fourth proportional to 40,303.12, 60,452.76 and 12,221.92 is: 18,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.12 : 60,452.76 = 12,221.92 : x
  2. Step 2: Convert to fraction form
    40,303.12/60,452.76 = 12,221.92/x
  3. Step 3: Cross multiply
    40,303.12x = 60,452.76 × 12,221.92
  4. Step 4: Simplify right side
    40,303.12x = 738,848,796.50
  5. Step 5: Solve for x
    x = 738,848,796.50/40,303.12
  6. Step 6: Final answer
    x = 18,332.30

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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.