Home / 38,906.48-58,345.47-13,939.85

Finding the Fourth Proportional to 38,906.48, 58,345.47 and 13,939.85

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Solution

The fourth proportional to 38,906.48, 58,345.47 and 13,939.85 is: 20,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.48 : 58,345.47 = 13,939.85 : x
  2. Step 2: Convert to fraction form
    38,906.48/58,345.47 = 13,939.85/x
  3. Step 3: Cross multiply
    38,906.48x = 58,345.47 × 13,939.85
  4. Step 4: Simplify right side
    38,906.48x = 813,326,808.25
  5. Step 5: Solve for x
    x = 813,326,808.25/38,906.48
  6. Step 6: Final answer
    x = 20,904.66

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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.