Home / 39,442.08-54,429.86-21,537.06

Finding the Fourth Proportional to 39,442.08, 54,429.86 and 21,537.06

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Solution

The fourth proportional to 39,442.08, 54,429.86 and 21,537.06 is: 29,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.08 : 54,429.86 = 21,537.06 : x
  2. Step 2: Convert to fraction form
    39,442.08/54,429.86 = 21,537.06/x
  3. Step 3: Cross multiply
    39,442.08x = 54,429.86 × 21,537.06
  4. Step 4: Simplify right side
    39,442.08x = 1,172,259,160.61
  5. Step 5: Solve for x
    x = 1,172,259,160.61/39,442.08
  6. Step 6: Final answer
    x = 29,721.03

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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.