Home / 55,538.99-83,315.02-19,504.38

Finding the Fourth Proportional to 55,538.99, 83,315.02 and 19,504.38

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Solution

The fourth proportional to 55,538.99, 83,315.02 and 19,504.38 is: 29,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.99 : 83,315.02 = 19,504.38 : x
  2. Step 2: Convert to fraction form
    55,538.99/83,315.02 = 19,504.38/x
  3. Step 3: Cross multiply
    55,538.99x = 83,315.02 × 19,504.38
  4. Step 4: Simplify right side
    55,538.99x = 1,625,007,809.79
  5. Step 5: Solve for x
    x = 1,625,007,809.79/55,538.99
  6. Step 6: Final answer
    x = 29,258.86

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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.