Home / 62,981.98-86,919.06-34,687.66

Finding the Fourth Proportional to 62,981.98, 86,919.06 and 34,687.66

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Solution

The fourth proportional to 62,981.98, 86,919.06 and 34,687.66 is: 47,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,981.98 : 86,919.06 = 34,687.66 : x
  2. Step 2: Convert to fraction form
    62,981.98/86,919.06 = 34,687.66/x
  3. Step 3: Cross multiply
    62,981.98x = 86,919.06 × 34,687.66
  4. Step 4: Simplify right side
    62,981.98x = 3,015,018,800.80
  5. Step 5: Solve for x
    x = 3,015,018,800.80/62,981.98
  6. Step 6: Final answer
    x = 47,871.13

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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.