Home / 39,285.58-54,219.94-23,147.74

Finding the Fourth Proportional to 39,285.58, 54,219.94 and 23,147.74

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Solution

The fourth proportional to 39,285.58, 54,219.94 and 23,147.74 is: 31,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285.58 : 54,219.94 = 23,147.74 : x
  2. Step 2: Convert to fraction form
    39,285.58/54,219.94 = 23,147.74/x
  3. Step 3: Cross multiply
    39,285.58x = 54,219.94 × 23,147.74
  4. Step 4: Simplify right side
    39,285.58x = 1,255,069,073.94
  5. Step 5: Solve for x
    x = 1,255,069,073.94/39,285.58
  6. Step 6: Final answer
    x = 31,947.32

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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.