Home / 49,937.15-68,938.13-30,827.46

Finding the Fourth Proportional to 49,937.15, 68,938.13 and 30,827.46

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Solution

The fourth proportional to 49,937.15, 68,938.13 and 30,827.46 is: 42,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,937.15 : 68,938.13 = 30,827.46 : x
  2. Step 2: Convert to fraction form
    49,937.15/68,938.13 = 30,827.46/x
  3. Step 3: Cross multiply
    49,937.15x = 68,938.13 × 30,827.46
  4. Step 4: Simplify right side
    49,937.15x = 2,125,187,413.34
  5. Step 5: Solve for x
    x = 2,125,187,413.34/49,937.15
  6. Step 6: Final answer
    x = 42,557.24

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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.