Home / 42,996.30-64,519.35-18,034.11

Finding the Fourth Proportional to 42,996.30, 64,519.35 and 18,034.11

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Solution

The fourth proportional to 42,996.30, 64,519.35 and 18,034.11 is: 27,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.30 : 64,519.35 = 18,034.11 : x
  2. Step 2: Convert to fraction form
    42,996.30/64,519.35 = 18,034.11/x
  3. Step 3: Cross multiply
    42,996.30x = 64,519.35 × 18,034.11
  4. Step 4: Simplify right side
    42,996.30x = 1,163,549,055.03
  5. Step 5: Solve for x
    x = 1,163,549,055.03/42,996.30
  6. Step 6: Final answer
    x = 27,061.61

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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.