Home / 39,247.12-58,872.72-12,953.92

Finding the Fourth Proportional to 39,247.12, 58,872.72 and 12,953.92

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Solution

The fourth proportional to 39,247.12, 58,872.72 and 12,953.92 is: 19,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.12 : 58,872.72 = 12,953.92 : x
  2. Step 2: Convert to fraction form
    39,247.12/58,872.72 = 12,953.92/x
  3. Step 3: Cross multiply
    39,247.12x = 58,872.72 × 12,953.92
  4. Step 4: Simplify right side
    39,247.12x = 762,632,505.06
  5. Step 5: Solve for x
    x = 762,632,505.06/39,247.12
  6. Step 6: Final answer
    x = 19,431.55

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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.