Home / 38,840.43-58,272.89-13,879.92

Finding the Fourth Proportional to 38,840.43, 58,272.89 and 13,879.92

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Solution

The fourth proportional to 38,840.43, 58,272.89 and 13,879.92 is: 20,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.43 : 58,272.89 = 13,879.92 : x
  2. Step 2: Convert to fraction form
    38,840.43/58,272.89 = 13,879.92/x
  3. Step 3: Cross multiply
    38,840.43x = 58,272.89 × 13,879.92
  4. Step 4: Simplify right side
    38,840.43x = 808,823,051.37
  5. Step 5: Solve for x
    x = 808,823,051.37/38,840.43
  6. Step 6: Final answer
    x = 20,824.26

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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.