Home / 42,500.06-63,750-20,245.94

Finding the Fourth Proportional to 42,500.06, 63,750 and 20,245.94

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Solution

The fourth proportional to 42,500.06, 63,750 and 20,245.94 is: 30,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,500.06 : 63,750 = 20,245.94 : x
  2. Step 2: Convert to fraction form
    42,500.06/63,750 = 20,245.94/x
  3. Step 3: Cross multiply
    42,500.06x = 63,750 × 20,245.94
  4. Step 4: Simplify right side
    42,500.06x = 1,290,678,675
  5. Step 5: Solve for x
    x = 1,290,678,675/42,500.06
  6. Step 6: Final answer
    x = 30,368.87

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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.