Home / 49,628.16-74,211.84-38,407.68

Finding the Fourth Proportional to 49,628.16, 74,211.84 and 38,407.68

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Solution

The fourth proportional to 49,628.16, 74,211.84 and 38,407.68 is: 57,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,628.16 : 74,211.84 = 38,407.68 : x
  2. Step 2: Convert to fraction form
    49,628.16/74,211.84 = 38,407.68/x
  3. Step 3: Cross multiply
    49,628.16x = 74,211.84 × 38,407.68
  4. Step 4: Simplify right side
    49,628.16x = 2,850,304,602.93
  5. Step 5: Solve for x
    x = 2,850,304,602.93/49,628.16
  6. Step 6: Final answer
    x = 57,433.21

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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.