Home / 38,872.20-58,265.10-16,681.80

Finding the Fourth Proportional to 38,872.20, 58,265.10 and 16,681.80

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Solution

The fourth proportional to 38,872.20, 58,265.10 and 16,681.80 is: 25,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.20 : 58,265.10 = 16,681.80 : x
  2. Step 2: Convert to fraction form
    38,872.20/58,265.10 = 16,681.80/x
  3. Step 3: Cross multiply
    38,872.20x = 58,265.10 × 16,681.80
  4. Step 4: Simplify right side
    38,872.20x = 971,966,745.18
  5. Step 5: Solve for x
    x = 971,966,745.18/38,872.20
  6. Step 6: Final answer
    x = 25,004.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.