Home / 39,469.51-54,467.28-21,564.13

Finding the Fourth Proportional to 39,469.51, 54,467.28 and 21,564.13

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Solution

The fourth proportional to 39,469.51, 54,467.28 and 21,564.13 is: 29,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.51 : 54,467.28 = 21,564.13 : x
  2. Step 2: Convert to fraction form
    39,469.51/54,467.28 = 21,564.13/x
  3. Step 3: Cross multiply
    39,469.51x = 54,467.28 × 21,564.13
  4. Step 4: Simplify right side
    39,469.51x = 1,174,539,370.50
  5. Step 5: Solve for x
    x = 1,174,539,370.50/39,469.51
  6. Step 6: Final answer
    x = 29,758.15

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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.