Home / 47,178.40-70,825.20-26,135.20

Finding the Fourth Proportional to 47,178.40, 70,825.20 and 26,135.20

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Solution

The fourth proportional to 47,178.40, 70,825.20 and 26,135.20 is: 39,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,178.40 : 70,825.20 = 26,135.20 : x
  2. Step 2: Convert to fraction form
    47,178.40/70,825.20 = 26,135.20/x
  3. Step 3: Cross multiply
    47,178.40x = 70,825.20 × 26,135.20
  4. Step 4: Simplify right side
    47,178.40x = 1,851,030,767.04
  5. Step 5: Solve for x
    x = 1,851,030,767.04/47,178.40
  6. Step 6: Final answer
    x = 39,234.71

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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.