Home / 42,002.65-63,030.34-17,042.80

Finding the Fourth Proportional to 42,002.65, 63,030.34 and 17,042.80

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Solution

The fourth proportional to 42,002.65, 63,030.34 and 17,042.80 is: 25,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.65 : 63,030.34 = 17,042.80 : x
  2. Step 2: Convert to fraction form
    42,002.65/63,030.34 = 17,042.80/x
  3. Step 3: Cross multiply
    42,002.65x = 63,030.34 × 17,042.80
  4. Step 4: Simplify right side
    42,002.65x = 1,074,213,478.55
  5. Step 5: Solve for x
    x = 1,074,213,478.55/42,002.65
  6. Step 6: Final answer
    x = 25,574.90

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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.