Home / 38,294.78-52,846.32-21,527.78

Finding the Fourth Proportional to 38,294.78, 52,846.32 and 21,527.78

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Solution

The fourth proportional to 38,294.78, 52,846.32 and 21,527.78 is: 29,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,294.78 : 52,846.32 = 21,527.78 : x
  2. Step 2: Convert to fraction form
    38,294.78/52,846.32 = 21,527.78/x
  3. Step 3: Cross multiply
    38,294.78x = 52,846.32 × 21,527.78
  4. Step 4: Simplify right side
    38,294.78x = 1,137,663,950.77
  5. Step 5: Solve for x
    x = 1,137,663,950.77/38,294.78
  6. Step 6: Final answer
    x = 29,708.07

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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.