Home / 39,468.29-54,467.31-21,564.26

Finding the Fourth Proportional to 39,468.29, 54,467.31 and 21,564.26

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Solution

The fourth proportional to 39,468.29, 54,467.31 and 21,564.26 is: 29,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.29 : 54,467.31 = 21,564.26 : x
  2. Step 2: Convert to fraction form
    39,468.29/54,467.31 = 21,564.26/x
  3. Step 3: Cross multiply
    39,468.29x = 54,467.31 × 21,564.26
  4. Step 4: Simplify right side
    39,468.29x = 1,174,547,234.34
  5. Step 5: Solve for x
    x = 1,174,547,234.34/39,468.29
  6. Step 6: Final answer
    x = 29,759.26

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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.