Home / 48,511.23-66,921.00-28,354.94

Finding the Fourth Proportional to 48,511.23, 66,921.00 and 28,354.94

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Solution

The fourth proportional to 48,511.23, 66,921.00 and 28,354.94 is: 39,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,511.23 : 66,921.00 = 28,354.94 : x
  2. Step 2: Convert to fraction form
    48,511.23/66,921.00 = 28,354.94/x
  3. Step 3: Cross multiply
    48,511.23x = 66,921.00 × 28,354.94
  4. Step 4: Simplify right side
    48,511.23x = 1,897,540,749.76
  5. Step 5: Solve for x
    x = 1,897,540,749.76/48,511.23
  6. Step 6: Final answer
    x = 39,115.50

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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.