Home / 38,192.75-52,706.36-21,426.11

Finding the Fourth Proportional to 38,192.75, 52,706.36 and 21,426.11

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Solution

The fourth proportional to 38,192.75, 52,706.36 and 21,426.11 is: 29,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192.75 : 52,706.36 = 21,426.11 : x
  2. Step 2: Convert to fraction form
    38,192.75/52,706.36 = 21,426.11/x
  3. Step 3: Cross multiply
    38,192.75x = 52,706.36 × 21,426.11
  4. Step 4: Simplify right side
    38,192.75x = 1,129,292,159.93
  5. Step 5: Solve for x
    x = 1,129,292,159.93/38,192.75
  6. Step 6: Final answer
    x = 29,568.23

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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.