Home / 38,759.09-58,116.83-13,446.77

Finding the Fourth Proportional to 38,759.09, 58,116.83 and 13,446.77

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Solution

The fourth proportional to 38,759.09, 58,116.83 and 13,446.77 is: 20,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759.09 : 58,116.83 = 13,446.77 : x
  2. Step 2: Convert to fraction form
    38,759.09/58,116.83 = 13,446.77/x
  3. Step 3: Cross multiply
    38,759.09x = 58,116.83 × 13,446.77
  4. Step 4: Simplify right side
    38,759.09x = 781,483,288.32
  5. Step 5: Solve for x
    x = 781,483,288.32/38,759.09
  6. Step 6: Final answer
    x = 20,162.58

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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.