Home / 38,369.74-57,446.40-20,317.06

Finding the Fourth Proportional to 38,369.74, 57,446.40 and 20,317.06

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Solution

The fourth proportional to 38,369.74, 57,446.40 and 20,317.06 is: 30,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.74 : 57,446.40 = 20,317.06 : x
  2. Step 2: Convert to fraction form
    38,369.74/57,446.40 = 20,317.06/x
  3. Step 3: Cross multiply
    38,369.74x = 57,446.40 × 20,317.06
  4. Step 4: Simplify right side
    38,369.74x = 1,167,141,955.58
  5. Step 5: Solve for x
    x = 1,167,141,955.58/38,369.74
  6. Step 6: Final answer
    x = 30,418.29

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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.