Home / 52,659.11-72,669.58-28,785.88

Finding the Fourth Proportional to 52,659.11, 72,669.58 and 28,785.88

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Solution

The fourth proportional to 52,659.11, 72,669.58 and 28,785.88 is: 39,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,659.11 : 72,669.58 = 28,785.88 : x
  2. Step 2: Convert to fraction form
    52,659.11/72,669.58 = 28,785.88/x
  3. Step 3: Cross multiply
    52,659.11x = 72,669.58 × 28,785.88
  4. Step 4: Simplify right side
    52,659.11x = 2,091,857,809.53
  5. Step 5: Solve for x
    x = 2,091,857,809.53/52,659.11
  6. Step 6: Final answer
    x = 39,724.52

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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.