Home / 53,781.77-80,543.46-30,030.95

Finding the Fourth Proportional to 53,781.77, 80,543.46 and 30,030.95

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Solution

The fourth proportional to 53,781.77, 80,543.46 and 30,030.95 is: 44,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.77 : 80,543.46 = 30,030.95 : x
  2. Step 2: Convert to fraction form
    53,781.77/80,543.46 = 30,030.95/x
  3. Step 3: Cross multiply
    53,781.77x = 80,543.46 × 30,030.95
  4. Step 4: Simplify right side
    53,781.77x = 2,418,796,620.09
  5. Step 5: Solve for x
    x = 2,418,796,620.09/53,781.77
  6. Step 6: Final answer
    x = 44,974.28

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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.