Home / 24,069.20-36,006.60-20,818.40

Finding the Fourth Proportional to 24,069.20, 36,006.60 and 20,818.40

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Solution

The fourth proportional to 24,069.20, 36,006.60 and 20,818.40 is: 31,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,069.20 : 36,006.60 = 20,818.40 : x
  2. Step 2: Convert to fraction form
    24,069.20/36,006.60 = 20,818.40/x
  3. Step 3: Cross multiply
    24,069.20x = 36,006.60 × 20,818.40
  4. Step 4: Simplify right side
    24,069.20x = 749,599,801.44
  5. Step 5: Solve for x
    x = 749,599,801.44/24,069.20
  6. Step 6: Final answer
    x = 31,143.53

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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.