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Finding the Fourth Proportional to 61,510.66, 84,884.97 and 34,653.49

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Solution

The fourth proportional to 61,510.66, 84,884.97 and 34,653.49 is: 47,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,510.66 : 84,884.97 = 34,653.49 : x
  2. Step 2: Convert to fraction form
    61,510.66/84,884.97 = 34,653.49/x
  3. Step 3: Cross multiply
    61,510.66x = 84,884.97 × 34,653.49
  4. Step 4: Simplify right side
    61,510.66x = 2,941,560,459.05
  5. Step 5: Solve for x
    x = 2,941,560,459.05/61,510.66
  6. Step 6: Final answer
    x = 47,821.96

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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.