Home / 43,145.51-64,691.84-16,819.50

Finding the Fourth Proportional to 43,145.51, 64,691.84 and 16,819.50

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Solution

The fourth proportional to 43,145.51, 64,691.84 and 16,819.50 is: 25,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,145.51 : 64,691.84 = 16,819.50 : x
  2. Step 2: Convert to fraction form
    43,145.51/64,691.84 = 16,819.50/x
  3. Step 3: Cross multiply
    43,145.51x = 64,691.84 × 16,819.50
  4. Step 4: Simplify right side
    43,145.51x = 1,088,084,444.93
  5. Step 5: Solve for x
    x = 1,088,084,444.93/43,145.51
  6. Step 6: Final answer
    x = 25,218.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.