Home / 42,541.94-63,770.63-20,329.38

Finding the Fourth Proportional to 42,541.94, 63,770.63 and 20,329.38

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Solution

The fourth proportional to 42,541.94, 63,770.63 and 20,329.38 is: 30,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.94 : 63,770.63 = 20,329.38 : x
  2. Step 2: Convert to fraction form
    42,541.94/63,770.63 = 20,329.38/x
  3. Step 3: Cross multiply
    42,541.94x = 63,770.63 × 20,329.38
  4. Step 4: Simplify right side
    42,541.94x = 1,296,417,370.11
  5. Step 5: Solve for x
    x = 1,296,417,370.11/42,541.94
  6. Step 6: Final answer
    x = 30,473.87

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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.