Home / 38,433.16-53,040.20-21,667.24

Finding the Fourth Proportional to 38,433.16, 53,040.20 and 21,667.24

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Solution

The fourth proportional to 38,433.16, 53,040.20 and 21,667.24 is: 29,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433.16 : 53,040.20 = 21,667.24 : x
  2. Step 2: Convert to fraction form
    38,433.16/53,040.20 = 21,667.24/x
  3. Step 3: Cross multiply
    38,433.16x = 53,040.20 × 21,667.24
  4. Step 4: Simplify right side
    38,433.16x = 1,149,234,743.05
  5. Step 5: Solve for x
    x = 1,149,234,743.05/38,433.16
  6. Step 6: Final answer
    x = 29,902.17

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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.