Home / 53,361.18-80,045.76-15,918.30

Finding the Fourth Proportional to 53,361.18, 80,045.76 and 15,918.30

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Solution

The fourth proportional to 53,361.18, 80,045.76 and 15,918.30 is: 23,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.18 : 80,045.76 = 15,918.30 : x
  2. Step 2: Convert to fraction form
    53,361.18/80,045.76 = 15,918.30/x
  3. Step 3: Cross multiply
    53,361.18x = 80,045.76 × 15,918.30
  4. Step 4: Simplify right side
    53,361.18x = 1,274,192,421.41
  5. Step 5: Solve for x
    x = 1,274,192,421.41/53,361.18
  6. Step 6: Final answer
    x = 23,878.64

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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.