Home / 45,148.24-67,750.04-20,209.38

Finding the Fourth Proportional to 45,148.24, 67,750.04 and 20,209.38

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Solution

The fourth proportional to 45,148.24, 67,750.04 and 20,209.38 is: 30,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,148.24 : 67,750.04 = 20,209.38 : x
  2. Step 2: Convert to fraction form
    45,148.24/67,750.04 = 20,209.38/x
  3. Step 3: Cross multiply
    45,148.24x = 67,750.04 × 20,209.38
  4. Step 4: Simplify right side
    45,148.24x = 1,369,186,099.84
  5. Step 5: Solve for x
    x = 1,369,186,099.84/45,148.24
  6. Step 6: Final answer
    x = 30,326.45

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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.