Home / 38,977.24-58,474.50-18,189.40

Finding the Fourth Proportional to 38,977.24, 58,474.50 and 18,189.40

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Solution

The fourth proportional to 38,977.24, 58,474.50 and 18,189.40 is: 27,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,977.24 : 58,474.50 = 18,189.40 : x
  2. Step 2: Convert to fraction form
    38,977.24/58,474.50 = 18,189.40/x
  3. Step 3: Cross multiply
    38,977.24x = 58,474.50 × 18,189.40
  4. Step 4: Simplify right side
    38,977.24x = 1,063,616,070.30
  5. Step 5: Solve for x
    x = 1,063,616,070.30/38,977.24
  6. Step 6: Final answer
    x = 27,288.13

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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.