Home / 29,475.52-40,712.91-21,396.38

Finding the Fourth Proportional to 29,475.52, 40,712.91 and 21,396.38

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Solution

The fourth proportional to 29,475.52, 40,712.91 and 21,396.38 is: 29,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,475.52 : 40,712.91 = 21,396.38 : x
  2. Step 2: Convert to fraction form
    29,475.52/40,712.91 = 21,396.38/x
  3. Step 3: Cross multiply
    29,475.52x = 40,712.91 × 21,396.38
  4. Step 4: Simplify right side
    29,475.52x = 871,108,893.27
  5. Step 5: Solve for x
    x = 871,108,893.27/29,475.52
  6. Step 6: Final answer
    x = 29,553.64

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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.