Home / 49,389.12-68,153.12-28,167.04

Finding the Fourth Proportional to 49,389.12, 68,153.12 and 28,167.04

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Solution

The fourth proportional to 49,389.12, 68,153.12 and 28,167.04 is: 38,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389.12 : 68,153.12 = 28,167.04 : x
  2. Step 2: Convert to fraction form
    49,389.12/68,153.12 = 28,167.04/x
  3. Step 3: Cross multiply
    49,389.12x = 68,153.12 × 28,167.04
  4. Step 4: Simplify right side
    49,389.12x = 1,919,671,657.16
  5. Step 5: Solve for x
    x = 1,919,671,657.16/49,389.12
  6. Step 6: Final answer
    x = 38,868.31

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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.