Home / 38,669.14-57,991.35-12,367.63

Finding the Fourth Proportional to 38,669.14, 57,991.35 and 12,367.63

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Solution

The fourth proportional to 38,669.14, 57,991.35 and 12,367.63 is: 18,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.14 : 57,991.35 = 12,367.63 : x
  2. Step 2: Convert to fraction form
    38,669.14/57,991.35 = 12,367.63/x
  3. Step 3: Cross multiply
    38,669.14x = 57,991.35 × 12,367.63
  4. Step 4: Simplify right side
    38,669.14x = 717,215,560.00
  5. Step 5: Solve for x
    x = 717,215,560.00/38,669.14
  6. Step 6: Final answer
    x = 18,547.49

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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.