Home / 39,108.16-54,013.80-26,511.04

Finding the Fourth Proportional to 39,108.16, 54,013.80 and 26,511.04

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Solution

The fourth proportional to 39,108.16, 54,013.80 and 26,511.04 is: 36,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.16 : 54,013.80 = 26,511.04 : x
  2. Step 2: Convert to fraction form
    39,108.16/54,013.80 = 26,511.04/x
  3. Step 3: Cross multiply
    39,108.16x = 54,013.80 × 26,511.04
  4. Step 4: Simplify right side
    39,108.16x = 1,431,962,012.35
  5. Step 5: Solve for x
    x = 1,431,962,012.35/39,108.16
  6. Step 6: Final answer
    x = 36,615.43

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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.