Home / 34,638.73-47,801.98-20,295.13

Finding the Fourth Proportional to 34,638.73, 47,801.98 and 20,295.13

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Solution

The fourth proportional to 34,638.73, 47,801.98 and 20,295.13 is: 28,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.73 : 47,801.98 = 20,295.13 : x
  2. Step 2: Convert to fraction form
    34,638.73/47,801.98 = 20,295.13/x
  3. Step 3: Cross multiply
    34,638.73x = 47,801.98 × 20,295.13
  4. Step 4: Simplify right side
    34,638.73x = 970,147,228.11
  5. Step 5: Solve for x
    x = 970,147,228.11/34,638.73
  6. Step 6: Final answer
    x = 28,007.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.