Home / 40,837.76-61,220.96-15,860.64

Finding the Fourth Proportional to 40,837.76, 61,220.96 and 15,860.64

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Solution

The fourth proportional to 40,837.76, 61,220.96 and 15,860.64 is: 23,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,837.76 : 61,220.96 = 15,860.64 : x
  2. Step 2: Convert to fraction form
    40,837.76/61,220.96 = 15,860.64/x
  3. Step 3: Cross multiply
    40,837.76x = 61,220.96 × 15,860.64
  4. Step 4: Simplify right side
    40,837.76x = 971,003,607.01
  5. Step 5: Solve for x
    x = 971,003,607.01/40,837.76
  6. Step 6: Final answer
    x = 23,777.10

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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.