Home / 52,139.57-71,914.38-34,228.04

Finding the Fourth Proportional to 52,139.57, 71,914.38 and 34,228.04

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Solution

The fourth proportional to 52,139.57, 71,914.38 and 34,228.04 is: 47,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,139.57 : 71,914.38 = 34,228.04 : x
  2. Step 2: Convert to fraction form
    52,139.57/71,914.38 = 34,228.04/x
  3. Step 3: Cross multiply
    52,139.57x = 71,914.38 × 34,228.04
  4. Step 4: Simplify right side
    52,139.57x = 2,461,487,979.82
  5. Step 5: Solve for x
    x = 2,461,487,979.82/52,139.57
  6. Step 6: Final answer
    x = 47,209.60

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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.