Home / 38,234.61-52,763.05-21,238.68

Finding the Fourth Proportional to 38,234.61, 52,763.05 and 21,238.68

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Solution

The fourth proportional to 38,234.61, 52,763.05 and 21,238.68 is: 29,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.61 : 52,763.05 = 21,238.68 : x
  2. Step 2: Convert to fraction form
    38,234.61/52,763.05 = 21,238.68/x
  3. Step 3: Cross multiply
    38,234.61x = 52,763.05 × 21,238.68
  4. Step 4: Simplify right side
    38,234.61x = 1,120,617,491.32
  5. Step 5: Solve for x
    x = 1,120,617,491.32/38,234.61
  6. Step 6: Final answer
    x = 29,308.98

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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.