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Finding the Fourth Proportional to 73,477.18, 110,213.34 and 31,924.18

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Solution

The fourth proportional to 73,477.18, 110,213.34 and 31,924.18 is: 47,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,477.18 : 110,213.34 = 31,924.18 : x
  2. Step 2: Convert to fraction form
    73,477.18/110,213.34 = 31,924.18/x
  3. Step 3: Cross multiply
    73,477.18x = 110,213.34 × 31,924.18
  4. Step 4: Simplify right side
    73,477.18x = 3,518,470,504.56
  5. Step 5: Solve for x
    x = 3,518,470,504.56/73,477.18
  6. Step 6: Final answer
    x = 47,885.21

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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.