Home / 38,217.24-52,736.90-21,447

Finding the Fourth Proportional to 38,217.24, 52,736.90 and 21,447

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Solution

The fourth proportional to 38,217.24, 52,736.90 and 21,447 is: 29,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217.24 : 52,736.90 = 21,447 : x
  2. Step 2: Convert to fraction form
    38,217.24/52,736.90 = 21,447/x
  3. Step 3: Cross multiply
    38,217.24x = 52,736.90 × 21,447
  4. Step 4: Simplify right side
    38,217.24x = 1,131,048,294.30
  5. Step 5: Solve for x
    x = 1,131,048,294.30/38,217.24
  6. Step 6: Final answer
    x = 29,595.24

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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.