Home / 39,468.80-54,467.73-21,564.91

Finding the Fourth Proportional to 39,468.80, 54,467.73 and 21,564.91

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Solution

The fourth proportional to 39,468.80, 54,467.73 and 21,564.91 is: 29,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.80 : 54,467.73 = 21,564.91 : x
  2. Step 2: Convert to fraction form
    39,468.80/54,467.73 = 21,564.91/x
  3. Step 3: Cross multiply
    39,468.80x = 54,467.73 × 21,564.91
  4. Step 4: Simplify right side
    39,468.80x = 1,174,591,587.53
  5. Step 5: Solve for x
    x = 1,174,591,587.53/39,468.80
  6. Step 6: Final answer
    x = 29,760.01

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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.