Home / 47,708.25-71,482.78-21,014.52

Finding the Fourth Proportional to 47,708.25, 71,482.78 and 21,014.52

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Solution

The fourth proportional to 47,708.25, 71,482.78 and 21,014.52 is: 31,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.25 : 71,482.78 = 21,014.52 : x
  2. Step 2: Convert to fraction form
    47,708.25/71,482.78 = 21,014.52/x
  3. Step 3: Cross multiply
    47,708.25x = 71,482.78 × 21,014.52
  4. Step 4: Simplify right side
    47,708.25x = 1,502,176,309.97
  5. Step 5: Solve for x
    x = 1,502,176,309.97/47,708.25
  6. Step 6: Final answer
    x = 31,486.72

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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.