Home / 55,496.14-83,210.79-21,721.87

Finding the Fourth Proportional to 55,496.14, 83,210.79 and 21,721.87

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Solution

The fourth proportional to 55,496.14, 83,210.79 and 21,721.87 is: 32,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,496.14 : 83,210.79 = 21,721.87 : x
  2. Step 2: Convert to fraction form
    55,496.14/83,210.79 = 21,721.87/x
  3. Step 3: Cross multiply
    55,496.14x = 83,210.79 × 21,721.87
  4. Step 4: Simplify right side
    55,496.14x = 1,807,494,148.45
  5. Step 5: Solve for x
    x = 1,807,494,148.45/55,496.14
  6. Step 6: Final answer
    x = 32,569.73

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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.