Home / 47,186.59-70,747.08-20,876.98

Finding the Fourth Proportional to 47,186.59, 70,747.08 and 20,876.98

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Solution

The fourth proportional to 47,186.59, 70,747.08 and 20,876.98 is: 31,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,186.59 : 70,747.08 = 20,876.98 : x
  2. Step 2: Convert to fraction form
    47,186.59/70,747.08 = 20,876.98/x
  3. Step 3: Cross multiply
    47,186.59x = 70,747.08 × 20,876.98
  4. Step 4: Simplify right side
    47,186.59x = 1,476,985,374.22
  5. Step 5: Solve for x
    x = 1,476,985,374.22/47,186.59
  6. Step 6: Final answer
    x = 31,300.96

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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.