Home / 34,230.86-47,238.05-19,123.73

Finding the Fourth Proportional to 34,230.86, 47,238.05 and 19,123.73

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Solution

The fourth proportional to 34,230.86, 47,238.05 and 19,123.73 is: 26,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,230.86 : 47,238.05 = 19,123.73 : x
  2. Step 2: Convert to fraction form
    34,230.86/47,238.05 = 19,123.73/x
  3. Step 3: Cross multiply
    34,230.86x = 47,238.05 × 19,123.73
  4. Step 4: Simplify right side
    34,230.86x = 903,367,382.12
  5. Step 5: Solve for x
    x = 903,367,382.12/34,230.86
  6. Step 6: Final answer
    x = 26,390.44

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Half scale
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Double scale
Find fourth proportional to 34,231.86, 47,239.42 and 19,124.73
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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.