Home / 50,655.24-75,982.88-13,215.26

Finding the Fourth Proportional to 50,655.24, 75,982.88 and 13,215.26

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Solution

The fourth proportional to 50,655.24, 75,982.88 and 13,215.26 is: 19,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,655.24 : 75,982.88 = 13,215.26 : x
  2. Step 2: Convert to fraction form
    50,655.24/75,982.88 = 13,215.26/x
  3. Step 3: Cross multiply
    50,655.24x = 75,982.88 × 13,215.26
  4. Step 4: Simplify right side
    50,655.24x = 1,004,133,737.74
  5. Step 5: Solve for x
    x = 1,004,133,737.74/50,655.24
  6. Step 6: Final answer
    x = 19,822.90

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Similar ratio
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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.