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Finding the Fourth Proportional to 58,805.64, 81,145.92 and 33,306.92

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Solution

The fourth proportional to 58,805.64, 81,145.92 and 33,306.92 is: 45,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,805.64 : 81,145.92 = 33,306.92 : x
  2. Step 2: Convert to fraction form
    58,805.64/81,145.92 = 33,306.92/x
  3. Step 3: Cross multiply
    58,805.64x = 81,145.92 × 33,306.92
  4. Step 4: Simplify right side
    58,805.64x = 2,702,720,665.77
  5. Step 5: Solve for x
    x = 2,702,720,665.77/58,805.64
  6. Step 6: Final answer
    x = 45,960.23

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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.