Home / 47,828.16-71,676.60-30,266.55

Finding the Fourth Proportional to 47,828.16, 71,676.60 and 30,266.55

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Solution

The fourth proportional to 47,828.16, 71,676.60 and 30,266.55 is: 45,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,828.16 : 71,676.60 = 30,266.55 : x
  2. Step 2: Convert to fraction form
    47,828.16/71,676.60 = 30,266.55/x
  3. Step 3: Cross multiply
    47,828.16x = 71,676.60 × 30,266.55
  4. Step 4: Simplify right side
    47,828.16x = 2,169,403,397.73
  5. Step 5: Solve for x
    x = 2,169,403,397.73/47,828.16
  6. Step 6: Final answer
    x = 45,358.29

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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.