Home / 36,078.04-54,122.46-12,700.36

Finding the Fourth Proportional to 36,078.04, 54,122.46 and 12,700.36

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Solution

The fourth proportional to 36,078.04, 54,122.46 and 12,700.36 is: 19,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.04 : 54,122.46 = 12,700.36 : x
  2. Step 2: Convert to fraction form
    36,078.04/54,122.46 = 12,700.36/x
  3. Step 3: Cross multiply
    36,078.04x = 54,122.46 × 12,700.36
  4. Step 4: Simplify right side
    36,078.04x = 687,374,726.09
  5. Step 5: Solve for x
    x = 687,374,726.09/36,078.04
  6. Step 6: Final answer
    x = 19,052.44

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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.