Home / 42,159-58,172.41-25,170.13

Finding the Fourth Proportional to 42,159, 58,172.41 and 25,170.13

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Solution

The fourth proportional to 42,159, 58,172.41 and 25,170.13 is: 34,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159 : 58,172.41 = 25,170.13 : x
  2. Step 2: Convert to fraction form
    42,159/58,172.41 = 25,170.13/x
  3. Step 3: Cross multiply
    42,159x = 58,172.41 × 25,170.13
  4. Step 4: Simplify right side
    42,159x = 1,464,207,122.11
  5. Step 5: Solve for x
    x = 1,464,207,122.11/42,159
  6. Step 6: Final answer
    x = 34,730.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.