Home / 53,515.08-73,847.56-29,640.36

Finding the Fourth Proportional to 53,515.08, 73,847.56 and 29,640.36

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Solution

The fourth proportional to 53,515.08, 73,847.56 and 29,640.36 is: 40,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,515.08 : 73,847.56 = 29,640.36 : x
  2. Step 2: Convert to fraction form
    53,515.08/73,847.56 = 29,640.36/x
  3. Step 3: Cross multiply
    53,515.08x = 73,847.56 × 29,640.36
  4. Step 4: Simplify right side
    53,515.08x = 2,188,868,263.52
  5. Step 5: Solve for x
    x = 2,188,868,263.52/53,515.08
  6. Step 6: Final answer
    x = 40,901.90

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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.