Home / 47,028.85-70,542.50-18,948.22

Finding the Fourth Proportional to 47,028.85, 70,542.50 and 18,948.22

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Solution

The fourth proportional to 47,028.85, 70,542.50 and 18,948.22 is: 28,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.85 : 70,542.50 = 18,948.22 : x
  2. Step 2: Convert to fraction form
    47,028.85/70,542.50 = 18,948.22/x
  3. Step 3: Cross multiply
    47,028.85x = 70,542.50 × 18,948.22
  4. Step 4: Simplify right side
    47,028.85x = 1,336,654,809.35
  5. Step 5: Solve for x
    x = 1,336,654,809.35/47,028.85
  6. Step 6: Final answer
    x = 28,422.02

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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.