Home / 43,045.38-59,378.64-40,000.94

Finding the Fourth Proportional to 43,045.38, 59,378.64 and 40,000.94

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Solution

The fourth proportional to 43,045.38, 59,378.64 and 40,000.94 is: 55,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,045.38 : 59,378.64 = 40,000.94 : x
  2. Step 2: Convert to fraction form
    43,045.38/59,378.64 = 40,000.94/x
  3. Step 3: Cross multiply
    43,045.38x = 59,378.64 × 40,000.94
  4. Step 4: Simplify right side
    43,045.38x = 2,375,201,415.92
  5. Step 5: Solve for x
    x = 2,375,201,415.92/43,045.38
  6. Step 6: Final answer
    x = 55,179.01

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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.