Home / 53,115.77-73,304.06-30,456.87

Finding the Fourth Proportional to 53,115.77, 73,304.06 and 30,456.87

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Solution

The fourth proportional to 53,115.77, 73,304.06 and 30,456.87 is: 42,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.77 : 73,304.06 = 30,456.87 : x
  2. Step 2: Convert to fraction form
    53,115.77/73,304.06 = 30,456.87/x
  3. Step 3: Cross multiply
    53,115.77x = 73,304.06 × 30,456.87
  4. Step 4: Simplify right side
    53,115.77x = 2,232,612,348.50
  5. Step 5: Solve for x
    x = 2,232,612,348.50/53,115.77
  6. Step 6: Final answer
    x = 42,032.95

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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.