Home / 47,137.53-70,708.47-15,119.85

Finding the Fourth Proportional to 47,137.53, 70,708.47 and 15,119.85

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Solution

The fourth proportional to 47,137.53, 70,708.47 and 15,119.85 is: 22,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.53 : 70,708.47 = 15,119.85 : x
  2. Step 2: Convert to fraction form
    47,137.53/70,708.47 = 15,119.85/x
  3. Step 3: Cross multiply
    47,137.53x = 70,708.47 × 15,119.85
  4. Step 4: Simplify right side
    47,137.53x = 1,069,101,460.13
  5. Step 5: Solve for x
    x = 1,069,101,460.13/47,137.53
  6. Step 6: Final answer
    x = 22,680.47

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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.