Home / 24,031.20-36,064.80-12,338.40

Finding the Fourth Proportional to 24,031.20, 36,064.80 and 12,338.40

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Solution

The fourth proportional to 24,031.20, 36,064.80 and 12,338.40 is: 18,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,031.20 : 36,064.80 = 12,338.40 : x
  2. Step 2: Convert to fraction form
    24,031.20/36,064.80 = 12,338.40/x
  3. Step 3: Cross multiply
    24,031.20x = 36,064.80 × 12,338.40
  4. Step 4: Simplify right side
    24,031.20x = 444,981,928.32
  5. Step 5: Solve for x
    x = 444,981,928.32/24,031.20
  6. Step 6: Final answer
    x = 18,516.84

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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.