Home / 32,981.11-45,519.78-25,009.90

Finding the Fourth Proportional to 32,981.11, 45,519.78 and 25,009.90

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Solution

The fourth proportional to 32,981.11, 45,519.78 and 25,009.90 is: 34,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.11 : 45,519.78 = 25,009.90 : x
  2. Step 2: Convert to fraction form
    32,981.11/45,519.78 = 25,009.90/x
  3. Step 3: Cross multiply
    32,981.11x = 45,519.78 × 25,009.90
  4. Step 4: Simplify right side
    32,981.11x = 1,138,445,145.82
  5. Step 5: Solve for x
    x = 1,138,445,145.82/32,981.11
  6. Step 6: Final answer
    x = 34,518.10

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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.