Home / 38,164.28-52,667.09-21,168.86

Finding the Fourth Proportional to 38,164.28, 52,667.09 and 21,168.86

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Solution

The fourth proportional to 38,164.28, 52,667.09 and 21,168.86 is: 29,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164.28 : 52,667.09 = 21,168.86 : x
  2. Step 2: Convert to fraction form
    38,164.28/52,667.09 = 21,168.86/x
  3. Step 3: Cross multiply
    38,164.28x = 52,667.09 × 21,168.86
  4. Step 4: Simplify right side
    38,164.28x = 1,114,902,254.82
  5. Step 5: Solve for x
    x = 1,114,902,254.82/38,164.28
  6. Step 6: Final answer
    x = 29,213.24

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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.