Home / 57,554.20-86,331.30-18,123.40

Finding the Fourth Proportional to 57,554.20, 86,331.30 and 18,123.40

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Solution

The fourth proportional to 57,554.20, 86,331.30 and 18,123.40 is: 27,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.20 : 86,331.30 = 18,123.40 : x
  2. Step 2: Convert to fraction form
    57,554.20/86,331.30 = 18,123.40/x
  3. Step 3: Cross multiply
    57,554.20x = 86,331.30 × 18,123.40
  4. Step 4: Simplify right side
    57,554.20x = 1,564,616,682.42
  5. Step 5: Solve for x
    x = 1,564,616,682.42/57,554.20
  6. Step 6: Final answer
    x = 27,185.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.