Home / 53,722.20-74,135.34-29,847.72

Finding the Fourth Proportional to 53,722.20, 74,135.34 and 29,847.72

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Solution

The fourth proportional to 53,722.20, 74,135.34 and 29,847.72 is: 41,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.20 : 74,135.34 = 29,847.72 : x
  2. Step 2: Convert to fraction form
    53,722.20/74,135.34 = 29,847.72/x
  3. Step 3: Cross multiply
    53,722.20x = 74,135.34 × 29,847.72
  4. Step 4: Simplify right side
    53,722.20x = 2,212,770,870.42
  5. Step 5: Solve for x
    x = 2,212,770,870.42/53,722.20
  6. Step 6: Final answer
    x = 41,189.13

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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.