Home / 40,285.76-55,578.84-29,700.56

Finding the Fourth Proportional to 40,285.76, 55,578.84 and 29,700.56

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Solution

The fourth proportional to 40,285.76, 55,578.84 and 29,700.56 is: 40,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.76 : 55,578.84 = 29,700.56 : x
  2. Step 2: Convert to fraction form
    40,285.76/55,578.84 = 29,700.56/x
  3. Step 3: Cross multiply
    40,285.76x = 55,578.84 × 29,700.56
  4. Step 4: Simplify right side
    40,285.76x = 1,650,722,672.15
  5. Step 5: Solve for x
    x = 1,650,722,672.15/40,285.76
  6. Step 6: Final answer
    x = 40,975.34

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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.