Home / 39,533.67-54,557.96-21,630.24

Finding the Fourth Proportional to 39,533.67, 54,557.96 and 21,630.24

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Solution

The fourth proportional to 39,533.67, 54,557.96 and 21,630.24 is: 29,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,533.67 : 54,557.96 = 21,630.24 : x
  2. Step 2: Convert to fraction form
    39,533.67/54,557.96 = 21,630.24/x
  3. Step 3: Cross multiply
    39,533.67x = 54,557.96 × 21,630.24
  4. Step 4: Simplify right side
    39,533.67x = 1,180,101,660.56
  5. Step 5: Solve for x
    x = 1,180,101,660.56/39,533.67
  6. Step 6: Final answer
    x = 29,850.55

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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.