Home / 40,853.18-61,248.63-21,119.15

Finding the Fourth Proportional to 40,853.18, 61,248.63 and 21,119.15

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Solution

The fourth proportional to 40,853.18, 61,248.63 and 21,119.15 is: 31,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,853.18 : 61,248.63 = 21,119.15 : x
  2. Step 2: Convert to fraction form
    40,853.18/61,248.63 = 21,119.15/x
  3. Step 3: Cross multiply
    40,853.18x = 61,248.63 × 21,119.15
  4. Step 4: Simplify right side
    40,853.18x = 1,293,519,236.58
  5. Step 5: Solve for x
    x = 1,293,519,236.58/40,853.18
  6. Step 6: Final answer
    x = 31,662.63

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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.