Home / 34,705.13-47,893.20-18,789.65

Finding the Fourth Proportional to 34,705.13, 47,893.20 and 18,789.65

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Solution

The fourth proportional to 34,705.13, 47,893.20 and 18,789.65 is: 25,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.13 : 47,893.20 = 18,789.65 : x
  2. Step 2: Convert to fraction form
    34,705.13/47,893.20 = 18,789.65/x
  3. Step 3: Cross multiply
    34,705.13x = 47,893.20 × 18,789.65
  4. Step 4: Simplify right side
    34,705.13x = 899,896,465.38
  5. Step 5: Solve for x
    x = 899,896,465.38/34,705.13
  6. Step 6: Final answer
    x = 25,929.78

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1.5x scale

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.