Home / 38,669.58-57,993.57-13,706.46

Finding the Fourth Proportional to 38,669.58, 57,993.57 and 13,706.46

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Solution

The fourth proportional to 38,669.58, 57,993.57 and 13,706.46 is: 20,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.58 : 57,993.57 = 13,706.46 : x
  2. Step 2: Convert to fraction form
    38,669.58/57,993.57 = 13,706.46/x
  3. Step 3: Cross multiply
    38,669.58x = 57,993.57 × 13,706.46
  4. Step 4: Simplify right side
    38,669.58x = 794,886,547.46
  5. Step 5: Solve for x
    x = 794,886,547.46/38,669.58
  6. Step 6: Final answer
    x = 20,555.86

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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.