Home / 34,077.45-47,028.24-20,641.14

Finding the Fourth Proportional to 34,077.45, 47,028.24 and 20,641.14

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Solution

The fourth proportional to 34,077.45, 47,028.24 and 20,641.14 is: 28,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,077.45 : 47,028.24 = 20,641.14 : x
  2. Step 2: Convert to fraction form
    34,077.45/47,028.24 = 20,641.14/x
  3. Step 3: Cross multiply
    34,077.45x = 47,028.24 × 20,641.14
  4. Step 4: Simplify right side
    34,077.45x = 970,716,485.79
  5. Step 5: Solve for x
    x = 970,716,485.79/34,077.45
  6. Step 6: Final answer
    x = 28,485.60

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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.