Home / 52,076.08-71,855.40-30,862

Finding the Fourth Proportional to 52,076.08, 71,855.40 and 30,862

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Solution

The fourth proportional to 52,076.08, 71,855.40 and 30,862 is: 42,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,076.08 : 71,855.40 = 30,862 : x
  2. Step 2: Convert to fraction form
    52,076.08/71,855.40 = 30,862/x
  3. Step 3: Cross multiply
    52,076.08x = 71,855.40 × 30,862
  4. Step 4: Simplify right side
    52,076.08x = 2,217,601,354.80
  5. Step 5: Solve for x
    x = 2,217,601,354.80/52,076.08
  6. Step 6: Final answer
    x = 42,583.88

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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.