Home / 62,981.11-86,917.86-34,686.79

Finding the Fourth Proportional to 62,981.11, 86,917.86 and 34,686.79

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Solution

The fourth proportional to 62,981.11, 86,917.86 and 34,686.79 is: 47,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,981.11 : 86,917.86 = 34,686.79 : x
  2. Step 2: Convert to fraction form
    62,981.11/86,917.86 = 34,686.79/x
  3. Step 3: Cross multiply
    62,981.11x = 86,917.86 × 34,686.79
  4. Step 4: Simplify right side
    62,981.11x = 3,014,900,949.05
  5. Step 5: Solve for x
    x = 3,014,900,949.05/62,981.11
  6. Step 6: Final answer
    x = 47,869.93

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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.