Home / 38,484.35-53,107.85-21,488.87

Finding the Fourth Proportional to 38,484.35, 53,107.85 and 21,488.87

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Solution

The fourth proportional to 38,484.35, 53,107.85 and 21,488.87 is: 29,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.35 : 53,107.85 = 21,488.87 : x
  2. Step 2: Convert to fraction form
    38,484.35/53,107.85 = 21,488.87/x
  3. Step 3: Cross multiply
    38,484.35x = 53,107.85 × 21,488.87
  4. Step 4: Simplify right side
    38,484.35x = 1,141,227,311.65
  5. Step 5: Solve for x
    x = 1,141,227,311.65/38,484.35
  6. Step 6: Final answer
    x = 29,654.33

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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.