Home / 36,008.04-54,017.46-12,630.36

Finding the Fourth Proportional to 36,008.04, 54,017.46 and 12,630.36

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Solution

The fourth proportional to 36,008.04, 54,017.46 and 12,630.36 is: 18,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.04 : 54,017.46 = 12,630.36 : x
  2. Step 2: Convert to fraction form
    36,008.04/54,017.46 = 12,630.36/x
  3. Step 3: Cross multiply
    36,008.04x = 54,017.46 × 12,630.36
  4. Step 4: Simplify right side
    36,008.04x = 682,259,966.09
  5. Step 5: Solve for x
    x = 682,259,966.09/36,008.04
  6. Step 6: Final answer
    x = 18,947.43

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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.