Home / 53,974.16-80,890.16-30,281.25

Finding the Fourth Proportional to 53,974.16, 80,890.16 and 30,281.25

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Solution

The fourth proportional to 53,974.16, 80,890.16 and 30,281.25 is: 45,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,974.16 : 80,890.16 = 30,281.25 : x
  2. Step 2: Convert to fraction form
    53,974.16/80,890.16 = 30,281.25/x
  3. Step 3: Cross multiply
    53,974.16x = 80,890.16 × 30,281.25
  4. Step 4: Simplify right side
    53,974.16x = 2,449,455,006.09
  5. Step 5: Solve for x
    x = 2,449,455,006.09/53,974.16
  6. Step 6: Final answer
    x = 45,382.00

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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.