Home / 38,001.54-57,018.70-20,467.86

Finding the Fourth Proportional to 38,001.54, 57,018.70 and 20,467.86

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Solution

The fourth proportional to 38,001.54, 57,018.70 and 20,467.86 is: 30,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.54 : 57,018.70 = 20,467.86 : x
  2. Step 2: Convert to fraction form
    38,001.54/57,018.70 = 20,467.86/x
  3. Step 3: Cross multiply
    38,001.54x = 57,018.70 × 20,467.86
  4. Step 4: Simplify right side
    38,001.54x = 1,167,050,768.98
  5. Step 5: Solve for x
    x = 1,167,050,768.98/38,001.54
  6. Step 6: Final answer
    x = 30,710.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.