Home / 40,816.37-61,209.98-14,515.88

Finding the Fourth Proportional to 40,816.37, 61,209.98 and 14,515.88

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Solution

The fourth proportional to 40,816.37, 61,209.98 and 14,515.88 is: 21,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.37 : 61,209.98 = 14,515.88 : x
  2. Step 2: Convert to fraction form
    40,816.37/61,209.98 = 14,515.88/x
  3. Step 3: Cross multiply
    40,816.37x = 61,209.98 × 14,515.88
  4. Step 4: Simplify right side
    40,816.37x = 888,516,345.85
  5. Step 5: Solve for x
    x = 888,516,345.85/40,816.37
  6. Step 6: Final answer
    x = 21,768.63

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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.