Home / 33,325.32-49,971-11,130.72

Finding the Fourth Proportional to 33,325.32, 49,971 and 11,130.72

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Solution

The fourth proportional to 33,325.32, 49,971 and 11,130.72 is: 16,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.32 : 49,971 = 11,130.72 : x
  2. Step 2: Convert to fraction form
    33,325.32/49,971 = 11,130.72/x
  3. Step 3: Cross multiply
    33,325.32x = 49,971 × 11,130.72
  4. Step 4: Simplify right side
    33,325.32x = 556,213,209.12
  5. Step 5: Solve for x
    x = 556,213,209.12/33,325.32
  6. Step 6: Final answer
    x = 16,690.41

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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.