Home / 38,351.13-52,931.79-21,584.13

Finding the Fourth Proportional to 38,351.13, 52,931.79 and 21,584.13

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Solution

The fourth proportional to 38,351.13, 52,931.79 and 21,584.13 is: 29,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.13 : 52,931.79 = 21,584.13 : x
  2. Step 2: Convert to fraction form
    38,351.13/52,931.79 = 21,584.13/x
  3. Step 3: Cross multiply
    38,351.13x = 52,931.79 × 21,584.13
  4. Step 4: Simplify right side
    38,351.13x = 1,142,486,636.49
  5. Step 5: Solve for x
    x = 1,142,486,636.49/38,351.13
  6. Step 6: Final answer
    x = 29,790.17

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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.