Home / 47,184.60-70,744.08-20,874.98

Finding the Fourth Proportional to 47,184.60, 70,744.08 and 20,874.98

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Solution

The fourth proportional to 47,184.60, 70,744.08 and 20,874.98 is: 31,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,184.60 : 70,744.08 = 20,874.98 : x
  2. Step 2: Convert to fraction form
    47,184.60/70,744.08 = 20,874.98/x
  3. Step 3: Cross multiply
    47,184.60x = 70,744.08 × 20,874.98
  4. Step 4: Simplify right side
    47,184.60x = 1,476,781,255.12
  5. Step 5: Solve for x
    x = 1,476,781,255.12/47,184.60
  6. Step 6: Final answer
    x = 31,297.95

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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.