Home / 38,795.67-58,218.99-21,277.80

Finding the Fourth Proportional to 38,795.67, 58,218.99 and 21,277.80

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Solution

The fourth proportional to 38,795.67, 58,218.99 and 21,277.80 is: 31,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,795.67 : 58,218.99 = 21,277.80 : x
  2. Step 2: Convert to fraction form
    38,795.67/58,218.99 = 21,277.80/x
  3. Step 3: Cross multiply
    38,795.67x = 58,218.99 × 21,277.80
  4. Step 4: Simplify right side
    38,795.67x = 1,238,772,025.42
  5. Step 5: Solve for x
    x = 1,238,772,025.42/38,795.67
  6. Step 6: Final answer
    x = 31,930.68

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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.