Home / 38,393.91-52,984.13-21,397.68

Finding the Fourth Proportional to 38,393.91, 52,984.13 and 21,397.68

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Solution

The fourth proportional to 38,393.91, 52,984.13 and 21,397.68 is: 29,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.91 : 52,984.13 = 21,397.68 : x
  2. Step 2: Convert to fraction form
    38,393.91/52,984.13 = 21,397.68/x
  3. Step 3: Cross multiply
    38,393.91x = 52,984.13 × 21,397.68
  4. Step 4: Simplify right side
    38,393.91x = 1,133,737,351.83
  5. Step 5: Solve for x
    x = 1,133,737,351.83/38,393.91
  6. Step 6: Final answer
    x = 29,529.09

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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.