Home / 29,728.80-44,564.40-12,175.20

Finding the Fourth Proportional to 29,728.80, 44,564.40 and 12,175.20

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Solution

The fourth proportional to 29,728.80, 44,564.40 and 12,175.20 is: 18,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.80 : 44,564.40 = 12,175.20 : x
  2. Step 2: Convert to fraction form
    29,728.80/44,564.40 = 12,175.20/x
  3. Step 3: Cross multiply
    29,728.80x = 44,564.40 × 12,175.20
  4. Step 4: Simplify right side
    29,728.80x = 542,580,482.88
  5. Step 5: Solve for x
    x = 542,580,482.88/29,728.80
  6. Step 6: Final answer
    x = 18,251.01

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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.