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Finding the Fourth Proportional to 58,398.50, 80,590.02 and 33,248

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Solution

The fourth proportional to 58,398.50, 80,590.02 and 33,248 is: 45,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,398.50 : 80,590.02 = 33,248 : x
  2. Step 2: Convert to fraction form
    58,398.50/80,590.02 = 33,248/x
  3. Step 3: Cross multiply
    58,398.50x = 80,590.02 × 33,248
  4. Step 4: Simplify right side
    58,398.50x = 2,679,456,984.96
  5. Step 5: Solve for x
    x = 2,679,456,984.96/58,398.50
  6. Step 6: Final answer
    x = 45,882.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.