Home / 38,443.04-57,681.84-20,886.56

Finding the Fourth Proportional to 38,443.04, 57,681.84 and 20,886.56

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Solution

The fourth proportional to 38,443.04, 57,681.84 and 20,886.56 is: 31,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.04 : 57,681.84 = 20,886.56 : x
  2. Step 2: Convert to fraction form
    38,443.04/57,681.84 = 20,886.56/x
  3. Step 3: Cross multiply
    38,443.04x = 57,681.84 × 20,886.56
  4. Step 4: Simplify right side
    38,443.04x = 1,204,775,212.07
  5. Step 5: Solve for x
    x = 1,204,775,212.07/38,443.04
  6. Step 6: Final answer
    x = 31,339.23

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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.