Home / 53,787.90-74,221.61-29,910.72

Finding the Fourth Proportional to 53,787.90, 74,221.61 and 29,910.72

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Solution

The fourth proportional to 53,787.90, 74,221.61 and 29,910.72 is: 41,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.90 : 74,221.61 = 29,910.72 : x
  2. Step 2: Convert to fraction form
    53,787.90/74,221.61 = 29,910.72/x
  3. Step 3: Cross multiply
    53,787.90x = 74,221.61 × 29,910.72
  4. Step 4: Simplify right side
    53,787.90x = 2,220,021,794.66
  5. Step 5: Solve for x
    x = 2,220,021,794.66/53,787.90
  6. Step 6: Final answer
    x = 41,273.63

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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.