Home / 47,310.18-70,965.28-19,245.52

Finding the Fourth Proportional to 47,310.18, 70,965.28 and 19,245.52

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Solution

The fourth proportional to 47,310.18, 70,965.28 and 19,245.52 is: 28,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.18 : 70,965.28 = 19,245.52 : x
  2. Step 2: Convert to fraction form
    47,310.18/70,965.28 = 19,245.52/x
  3. Step 3: Cross multiply
    47,310.18x = 70,965.28 × 19,245.52
  4. Step 4: Simplify right side
    47,310.18x = 1,365,763,715.55
  5. Step 5: Solve for x
    x = 1,365,763,715.55/47,310.18
  6. Step 6: Final answer
    x = 28,868.28

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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.