Home / 38,169.62-52,674.06-21,402.62

Finding the Fourth Proportional to 38,169.62, 52,674.06 and 21,402.62

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Solution

The fourth proportional to 38,169.62, 52,674.06 and 21,402.62 is: 29,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.62 : 52,674.06 = 21,402.62 : x
  2. Step 2: Convert to fraction form
    38,169.62/52,674.06 = 21,402.62/x
  3. Step 3: Cross multiply
    38,169.62x = 52,674.06 × 21,402.62
  4. Step 4: Simplify right side
    38,169.62x = 1,127,362,890.04
  5. Step 5: Solve for x
    x = 1,127,362,890.04/38,169.62
  6. Step 6: Final answer
    x = 29,535.61

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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.