Home / 55,538.91-83,309.95-21,803.53

Finding the Fourth Proportional to 55,538.91, 83,309.95 and 21,803.53

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Solution

The fourth proportional to 55,538.91, 83,309.95 and 21,803.53 is: 32,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.91 : 83,309.95 = 21,803.53 : x
  2. Step 2: Convert to fraction form
    55,538.91/83,309.95 = 21,803.53/x
  3. Step 3: Cross multiply
    55,538.91x = 83,309.95 × 21,803.53
  4. Step 4: Simplify right side
    55,538.91x = 1,816,450,577.57
  5. Step 5: Solve for x
    x = 1,816,450,577.57/55,538.91
  6. Step 6: Final answer
    x = 32,705.91

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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.