Home / 40,069.80-60,134.20-19,009.88

Finding the Fourth Proportional to 40,069.80, 60,134.20 and 19,009.88

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Solution

The fourth proportional to 40,069.80, 60,134.20 and 19,009.88 is: 28,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069.80 : 60,134.20 = 19,009.88 : x
  2. Step 2: Convert to fraction form
    40,069.80/60,134.20 = 19,009.88/x
  3. Step 3: Cross multiply
    40,069.80x = 60,134.20 × 19,009.88
  4. Step 4: Simplify right side
    40,069.80x = 1,143,143,925.90
  5. Step 5: Solve for x
    x = 1,143,143,925.90/40,069.80
  6. Step 6: Final answer
    x = 28,528.82

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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.