Home / 36,942.60-55,421.10-14,752.20

Finding the Fourth Proportional to 36,942.60, 55,421.10 and 14,752.20

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Solution

The fourth proportional to 36,942.60, 55,421.10 and 14,752.20 is: 22,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.60 : 55,421.10 = 14,752.20 : x
  2. Step 2: Convert to fraction form
    36,942.60/55,421.10 = 14,752.20/x
  3. Step 3: Cross multiply
    36,942.60x = 55,421.10 × 14,752.20
  4. Step 4: Simplify right side
    36,942.60x = 817,583,151.42
  5. Step 5: Solve for x
    x = 817,583,151.42/36,942.60
  6. Step 6: Final answer
    x = 22,131.18

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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.