Home / 38,127.93-52,616.54-21,133.26

Finding the Fourth Proportional to 38,127.93, 52,616.54 and 21,133.26

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Solution

The fourth proportional to 38,127.93, 52,616.54 and 21,133.26 is: 29,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.93 : 52,616.54 = 21,133.26 : x
  2. Step 2: Convert to fraction form
    38,127.93/52,616.54 = 21,133.26/x
  3. Step 3: Cross multiply
    38,127.93x = 52,616.54 × 21,133.26
  4. Step 4: Simplify right side
    38,127.93x = 1,111,959,020.12
  5. Step 5: Solve for x
    x = 1,111,959,020.12/38,127.93
  6. Step 6: Final answer
    x = 29,163.90

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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.