Home / 40,913.52-61,363.32-13,211.52

Finding the Fourth Proportional to 40,913.52, 61,363.32 and 13,211.52

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Solution

The fourth proportional to 40,913.52, 61,363.32 and 13,211.52 is: 19,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.52 : 61,363.32 = 13,211.52 : x
  2. Step 2: Convert to fraction form
    40,913.52/61,363.32 = 13,211.52/x
  3. Step 3: Cross multiply
    40,913.52x = 61,363.32 × 13,211.52
  4. Step 4: Simplify right side
    40,913.52x = 810,702,729.45
  5. Step 5: Solve for x
    x = 810,702,729.45/40,913.52
  6. Step 6: Final answer
    x = 19,815.03

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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.