Home / 29,004.45-40,045.43-22,278.05

Finding the Fourth Proportional to 29,004.45, 40,045.43 and 22,278.05

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Solution

The fourth proportional to 29,004.45, 40,045.43 and 22,278.05 is: 30,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.45 : 40,045.43 = 22,278.05 : x
  2. Step 2: Convert to fraction form
    29,004.45/40,045.43 = 22,278.05/x
  3. Step 3: Cross multiply
    29,004.45x = 40,045.43 × 22,278.05
  4. Step 4: Simplify right side
    29,004.45x = 892,134,080.53
  5. Step 5: Solve for x
    x = 892,134,080.53/29,004.45
  6. Step 6: Final answer
    x = 30,758.52

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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.