Home / 38,777.86-58,167.10-21,238.12

Finding the Fourth Proportional to 38,777.86, 58,167.10 and 21,238.12

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Solution

The fourth proportional to 38,777.86, 58,167.10 and 21,238.12 is: 31,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.86 : 58,167.10 = 21,238.12 : x
  2. Step 2: Convert to fraction form
    38,777.86/58,167.10 = 21,238.12/x
  3. Step 3: Cross multiply
    38,777.86x = 58,167.10 × 21,238.12
  4. Step 4: Simplify right side
    38,777.86x = 1,235,359,849.85
  5. Step 5: Solve for x
    x = 1,235,359,849.85/38,777.86
  6. Step 6: Final answer
    x = 31,857.35

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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.