Home / 39,217.80-58,832.79-12,914.28

Finding the Fourth Proportional to 39,217.80, 58,832.79 and 12,914.28

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Solution

The fourth proportional to 39,217.80, 58,832.79 and 12,914.28 is: 19,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.80 : 58,832.79 = 12,914.28 : x
  2. Step 2: Convert to fraction form
    39,217.80/58,832.79 = 12,914.28/x
  3. Step 3: Cross multiply
    39,217.80x = 58,832.79 × 12,914.28
  4. Step 4: Simplify right side
    39,217.80x = 759,783,123.24
  5. Step 5: Solve for x
    x = 759,783,123.24/39,217.80
  6. Step 6: Final answer
    x = 19,373.43

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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.