Home / 55,371.88-83,071.02-17,931.98

Finding the Fourth Proportional to 55,371.88, 83,071.02 and 17,931.98

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Solution

The fourth proportional to 55,371.88, 83,071.02 and 17,931.98 is: 26,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.88 : 83,071.02 = 17,931.98 : x
  2. Step 2: Convert to fraction form
    55,371.88/83,071.02 = 17,931.98/x
  3. Step 3: Cross multiply
    55,371.88x = 83,071.02 × 17,931.98
  4. Step 4: Simplify right side
    55,371.88x = 1,489,627,869.22
  5. Step 5: Solve for x
    x = 1,489,627,869.22/55,371.88
  6. Step 6: Final answer
    x = 26,902.24

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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.