Home / 36,126.16-54,175.24-12,429.24

Finding the Fourth Proportional to 36,126.16, 54,175.24 and 12,429.24

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Solution

The fourth proportional to 36,126.16, 54,175.24 and 12,429.24 is: 18,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.16 : 54,175.24 = 12,429.24 : x
  2. Step 2: Convert to fraction form
    36,126.16/54,175.24 = 12,429.24/x
  3. Step 3: Cross multiply
    36,126.16x = 54,175.24 × 12,429.24
  4. Step 4: Simplify right side
    36,126.16x = 673,357,060.02
  5. Step 5: Solve for x
    x = 673,357,060.02/36,126.16
  6. Step 6: Final answer
    x = 18,639.04

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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.