Home / 55,538.40-83,307.60-49,414.80

Finding the Fourth Proportional to 55,538.40, 83,307.60 and 49,414.80

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Solution

The fourth proportional to 55,538.40, 83,307.60 and 49,414.80 is: 74,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.40 : 83,307.60 = 49,414.80 : x
  2. Step 2: Convert to fraction form
    55,538.40/83,307.60 = 49,414.80/x
  3. Step 3: Cross multiply
    55,538.40x = 83,307.60 × 49,414.80
  4. Step 4: Simplify right side
    55,538.40x = 4,116,628,392.48
  5. Step 5: Solve for x
    x = 4,116,628,392.48/55,538.40
  6. Step 6: Final answer
    x = 74,122.20

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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.