Home / 38,162.61-52,667.07-21,168.47

Finding the Fourth Proportional to 38,162.61, 52,667.07 and 21,168.47

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Solution

The fourth proportional to 38,162.61, 52,667.07 and 21,168.47 is: 29,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.61 : 52,667.07 = 21,168.47 : x
  2. Step 2: Convert to fraction form
    38,162.61/52,667.07 = 21,168.47/x
  3. Step 3: Cross multiply
    38,162.61x = 52,667.07 × 21,168.47
  4. Step 4: Simplify right side
    38,162.61x = 1,114,881,291.28
  5. Step 5: Solve for x
    x = 1,114,881,291.28/38,162.61
  6. Step 6: Final answer
    x = 29,213.97

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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.