Home / 39,712.32-54,803.97-21,563.82

Finding the Fourth Proportional to 39,712.32, 54,803.97 and 21,563.82

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Solution

The fourth proportional to 39,712.32, 54,803.97 and 21,563.82 is: 29,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.32 : 54,803.97 = 21,563.82 : x
  2. Step 2: Convert to fraction form
    39,712.32/54,803.97 = 21,563.82/x
  3. Step 3: Cross multiply
    39,712.32x = 54,803.97 × 21,563.82
  4. Step 4: Simplify right side
    39,712.32x = 1,181,782,944.37
  5. Step 5: Solve for x
    x = 1,181,782,944.37/39,712.32
  6. Step 6: Final answer
    x = 29,758.60

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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.