Home / 34,763.72-47,970.38-21,335.54

Finding the Fourth Proportional to 34,763.72, 47,970.38 and 21,335.54

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Solution

The fourth proportional to 34,763.72, 47,970.38 and 21,335.54 is: 29,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.72 : 47,970.38 = 21,335.54 : x
  2. Step 2: Convert to fraction form
    34,763.72/47,970.38 = 21,335.54/x
  3. Step 3: Cross multiply
    34,763.72x = 47,970.38 × 21,335.54
  4. Step 4: Simplify right side
    34,763.72x = 1,023,473,961.31
  5. Step 5: Solve for x
    x = 1,023,473,961.31/34,763.72
  6. Step 6: Final answer
    x = 29,440.86

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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.