Home / 55,551.33-83,338.83-31,869.77

Finding the Fourth Proportional to 55,551.33, 83,338.83 and 31,869.77

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Solution

The fourth proportional to 55,551.33, 83,338.83 and 31,869.77 is: 47,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.33 : 83,338.83 = 31,869.77 : x
  2. Step 2: Convert to fraction form
    55,551.33/83,338.83 = 31,869.77/x
  3. Step 3: Cross multiply
    55,551.33x = 83,338.83 × 31,869.77
  4. Step 4: Simplify right side
    55,551.33x = 2,655,988,927.47
  5. Step 5: Solve for x
    x = 2,655,988,927.47/55,551.33
  6. Step 6: Final answer
    x = 47,811.44

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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.