Home / 39,247.46-54,142.46-23,320.64

Finding the Fourth Proportional to 39,247.46, 54,142.46 and 23,320.64

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Solution

The fourth proportional to 39,247.46, 54,142.46 and 23,320.64 is: 32,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.46 : 54,142.46 = 23,320.64 : x
  2. Step 2: Convert to fraction form
    39,247.46/54,142.46 = 23,320.64/x
  3. Step 3: Cross multiply
    39,247.46x = 54,142.46 × 23,320.64
  4. Step 4: Simplify right side
    39,247.46x = 1,262,636,431.06
  5. Step 5: Solve for x
    x = 1,262,636,431.06/39,247.46
  6. Step 6: Final answer
    x = 32,171.16

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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.