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Finding the Fourth Proportional to 33,342.76, 50,009.10 and 9,971.20

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Solution

The fourth proportional to 33,342.76, 50,009.10 and 9,971.20 is: 14,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,342.76 : 50,009.10 = 9,971.20 : x
  2. Step 2: Convert to fraction form
    33,342.76/50,009.10 = 9,971.20/x
  3. Step 3: Cross multiply
    33,342.76x = 50,009.10 × 9,971.20
  4. Step 4: Simplify right side
    33,342.76x = 498,650,737.92
  5. Step 5: Solve for x
    x = 498,650,737.92/33,342.76
  6. Step 6: Final answer
    x = 14,955.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.