Home / 55,534.12-76,634.04-30,382

Finding the Fourth Proportional to 55,534.12, 76,634.04 and 30,382

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Solution

The fourth proportional to 55,534.12, 76,634.04 and 30,382 is: 41,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,534.12 : 76,634.04 = 30,382 : x
  2. Step 2: Convert to fraction form
    55,534.12/76,634.04 = 30,382/x
  3. Step 3: Cross multiply
    55,534.12x = 76,634.04 × 30,382
  4. Step 4: Simplify right side
    55,534.12x = 2,328,295,403.28
  5. Step 5: Solve for x
    x = 2,328,295,403.28/55,534.12
  6. Step 6: Final answer
    x = 41,925.49

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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.