Home / 61,515.42-84,890.88-34,666.56

Finding the Fourth Proportional to 61,515.42, 84,890.88 and 34,666.56

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Solution

The fourth proportional to 61,515.42, 84,890.88 and 34,666.56 is: 47,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.42 : 84,890.88 = 34,666.56 : x
  2. Step 2: Convert to fraction form
    61,515.42/84,890.88 = 34,666.56/x
  3. Step 3: Cross multiply
    61,515.42x = 84,890.88 × 34,666.56
  4. Step 4: Simplify right side
    61,515.42x = 2,942,874,784.97
  5. Step 5: Solve for x
    x = 2,942,874,784.97/61,515.42
  6. Step 6: Final answer
    x = 47,839.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.