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Finding the Fourth Proportional to 58,398.72, 80,590.84 and 33,249.84

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Solution

The fourth proportional to 58,398.72, 80,590.84 and 33,249.84 is: 45,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,398.72 : 80,590.84 = 33,249.84 : x
  2. Step 2: Convert to fraction form
    58,398.72/80,590.84 = 33,249.84/x
  3. Step 3: Cross multiply
    58,398.72x = 80,590.84 × 33,249.84
  4. Step 4: Simplify right side
    58,398.72x = 2,679,632,535.47
  5. Step 5: Solve for x
    x = 2,679,632,535.47/58,398.72
  6. Step 6: Final answer
    x = 45,885.12

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1.5x scale

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.