Home / 52,806.42-72,871.92-31,310.64

Finding the Fourth Proportional to 52,806.42, 72,871.92 and 31,310.64

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Solution

The fourth proportional to 52,806.42, 72,871.92 and 31,310.64 is: 43,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,806.42 : 72,871.92 = 31,310.64 : x
  2. Step 2: Convert to fraction form
    52,806.42/72,871.92 = 31,310.64/x
  3. Step 3: Cross multiply
    52,806.42x = 72,871.92 × 31,310.64
  4. Step 4: Simplify right side
    52,806.42x = 2,281,666,453.23
  5. Step 5: Solve for x
    x = 2,281,666,453.23/52,806.42
  6. Step 6: Final answer
    x = 43,208.13

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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.