Home / 42,542.01-63,806-15,880.99

Finding the Fourth Proportional to 42,542.01, 63,806 and 15,880.99

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Solution

The fourth proportional to 42,542.01, 63,806 and 15,880.99 is: 23,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.01 : 63,806 = 15,880.99 : x
  2. Step 2: Convert to fraction form
    42,542.01/63,806 = 15,880.99/x
  3. Step 3: Cross multiply
    42,542.01x = 63,806 × 15,880.99
  4. Step 4: Simplify right side
    42,542.01x = 1,013,302,447.94
  5. Step 5: Solve for x
    x = 1,013,302,447.94/42,542.01
  6. Step 6: Final answer
    x = 23,818.87

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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.