Home / 47,847.17-66,022.07-28,722.89

Finding the Fourth Proportional to 47,847.17, 66,022.07 and 28,722.89

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Solution

The fourth proportional to 47,847.17, 66,022.07 and 28,722.89 is: 39,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847.17 : 66,022.07 = 28,722.89 : x
  2. Step 2: Convert to fraction form
    47,847.17/66,022.07 = 28,722.89/x
  3. Step 3: Cross multiply
    47,847.17x = 66,022.07 × 28,722.89
  4. Step 4: Simplify right side
    47,847.17x = 1,896,344,180.46
  5. Step 5: Solve for x
    x = 1,896,344,180.46/47,847.17
  6. Step 6: Final answer
    x = 39,633.37

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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.