Home / 39,737.25-54,837.45-21,832.29

Finding the Fourth Proportional to 39,737.25, 54,837.45 and 21,832.29

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Solution

The fourth proportional to 39,737.25, 54,837.45 and 21,832.29 is: 30,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,737.25 : 54,837.45 = 21,832.29 : x
  2. Step 2: Convert to fraction form
    39,737.25/54,837.45 = 21,832.29/x
  3. Step 3: Cross multiply
    39,737.25x = 54,837.45 × 21,832.29
  4. Step 4: Simplify right side
    39,737.25x = 1,197,227,111.26
  5. Step 5: Solve for x
    x = 1,197,227,111.26/39,737.25
  6. Step 6: Final answer
    x = 30,128.58

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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.