Home / 40,282.02-55,590.24-22,378.70

Finding the Fourth Proportional to 40,282.02, 55,590.24 and 22,378.70

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Solution

The fourth proportional to 40,282.02, 55,590.24 and 22,378.70 is: 30,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.02 : 55,590.24 = 22,378.70 : x
  2. Step 2: Convert to fraction form
    40,282.02/55,590.24 = 22,378.70/x
  3. Step 3: Cross multiply
    40,282.02x = 55,590.24 × 22,378.70
  4. Step 4: Simplify right side
    40,282.02x = 1,244,037,025.94
  5. Step 5: Solve for x
    x = 1,244,037,025.94/40,282.02
  6. Step 6: Final answer
    x = 30,883.18

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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.