Home / 48,198.36-66,511.70-28,055.80

Finding the Fourth Proportional to 48,198.36, 66,511.70 and 28,055.80

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Solution

The fourth proportional to 48,198.36, 66,511.70 and 28,055.80 is: 38,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,198.36 : 66,511.70 = 28,055.80 : x
  2. Step 2: Convert to fraction form
    48,198.36/66,511.70 = 28,055.80/x
  3. Step 3: Cross multiply
    48,198.36x = 66,511.70 × 28,055.80
  4. Step 4: Simplify right side
    48,198.36x = 1,866,038,952.86
  5. Step 5: Solve for x
    x = 1,866,038,952.86/48,198.36
  6. Step 6: Final answer
    x = 38,715.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.