Home / 47,883.90-71,823.13-21,222.21

Finding the Fourth Proportional to 47,883.90, 71,823.13 and 21,222.21

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Solution

The fourth proportional to 47,883.90, 71,823.13 and 21,222.21 is: 31,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,883.90 : 71,823.13 = 21,222.21 : x
  2. Step 2: Convert to fraction form
    47,883.90/71,823.13 = 21,222.21/x
  3. Step 3: Cross multiply
    47,883.90x = 71,823.13 × 21,222.21
  4. Step 4: Simplify right side
    47,883.90x = 1,524,245,547.72
  5. Step 5: Solve for x
    x = 1,524,245,547.72/47,883.90
  6. Step 6: Final answer
    x = 31,832.11

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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.