Home / 47,269.66-70,909.68-19,185.63

Finding the Fourth Proportional to 47,269.66, 70,909.68 and 19,185.63

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Solution

The fourth proportional to 47,269.66, 70,909.68 and 19,185.63 is: 28,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269.66 : 70,909.68 = 19,185.63 : x
  2. Step 2: Convert to fraction form
    47,269.66/70,909.68 = 19,185.63/x
  3. Step 3: Cross multiply
    47,269.66x = 70,909.68 × 19,185.63
  4. Step 4: Simplify right side
    47,269.66x = 1,360,446,883.90
  5. Step 5: Solve for x
    x = 1,360,446,883.90/47,269.66
  6. Step 6: Final answer
    x = 28,780.55

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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.