Home / 40,995.16-61,501.38-13,291

Finding the Fourth Proportional to 40,995.16, 61,501.38 and 13,291

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Solution

The fourth proportional to 40,995.16, 61,501.38 and 13,291 is: 19,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,995.16 : 61,501.38 = 13,291 : x
  2. Step 2: Convert to fraction form
    40,995.16/61,501.38 = 13,291/x
  3. Step 3: Cross multiply
    40,995.16x = 61,501.38 × 13,291
  4. Step 4: Simplify right side
    40,995.16x = 817,414,841.58
  5. Step 5: Solve for x
    x = 817,414,841.58/40,995.16
  6. Step 6: Final answer
    x = 19,939.30

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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.