Home / 52,808.40-72,868.68-31,579.92

Finding the Fourth Proportional to 52,808.40, 72,868.68 and 31,579.92

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Solution

The fourth proportional to 52,808.40, 72,868.68 and 31,579.92 is: 43,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,808.40 : 72,868.68 = 31,579.92 : x
  2. Step 2: Convert to fraction form
    52,808.40/72,868.68 = 31,579.92/x
  3. Step 3: Cross multiply
    52,808.40x = 72,868.68 × 31,579.92
  4. Step 4: Simplify right side
    52,808.40x = 2,301,187,084.91
  5. Step 5: Solve for x
    x = 2,301,187,084.91/52,808.40
  6. Step 6: Final answer
    x = 43,576.16

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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.