Home / 38,364.88-52,942.73-21,369.08

Finding the Fourth Proportional to 38,364.88, 52,942.73 and 21,369.08

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Solution

The fourth proportional to 38,364.88, 52,942.73 and 21,369.08 is: 29,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.88 : 52,942.73 = 21,369.08 : x
  2. Step 2: Convert to fraction form
    38,364.88/52,942.73 = 21,369.08/x
  3. Step 3: Cross multiply
    38,364.88x = 52,942.73 × 21,369.08
  4. Step 4: Simplify right side
    38,364.88x = 1,131,337,432.79
  5. Step 5: Solve for x
    x = 1,131,337,432.79/38,364.88
  6. Step 6: Final answer
    x = 29,488.88

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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.