Home / 40,899.20-61,333.05-15,935.96

Finding the Fourth Proportional to 40,899.20, 61,333.05 and 15,935.96

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Solution

The fourth proportional to 40,899.20, 61,333.05 and 15,935.96 is: 23,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.20 : 61,333.05 = 15,935.96 : x
  2. Step 2: Convert to fraction form
    40,899.20/61,333.05 = 15,935.96/x
  3. Step 3: Cross multiply
    40,899.20x = 61,333.05 × 15,935.96
  4. Step 4: Simplify right side
    40,899.20x = 977,400,809.93
  5. Step 5: Solve for x
    x = 977,400,809.93/40,899.20
  6. Step 6: Final answer
    x = 23,897.80

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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.