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Finding the Fourth Proportional to 59,165.60, 81,645.04 and 34,015.20

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Solution

The fourth proportional to 59,165.60, 81,645.04 and 34,015.20 is: 46,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,165.60 : 81,645.04 = 34,015.20 : x
  2. Step 2: Convert to fraction form
    59,165.60/81,645.04 = 34,015.20/x
  3. Step 3: Cross multiply
    59,165.60x = 81,645.04 × 34,015.20
  4. Step 4: Simplify right side
    59,165.60x = 2,777,172,364.61
  5. Step 5: Solve for x
    x = 2,777,172,364.61/59,165.60
  6. Step 6: Final answer
    x = 46,938.97

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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.