Home / 47,836.73-66,010.66-28,188.10

Finding the Fourth Proportional to 47,836.73, 66,010.66 and 28,188.10

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Solution

The fourth proportional to 47,836.73, 66,010.66 and 28,188.10 is: 38,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,836.73 : 66,010.66 = 28,188.10 : x
  2. Step 2: Convert to fraction form
    47,836.73/66,010.66 = 28,188.10/x
  3. Step 3: Cross multiply
    47,836.73x = 66,010.66 × 28,188.10
  4. Step 4: Simplify right side
    47,836.73x = 1,860,715,085.15
  5. Step 5: Solve for x
    x = 1,860,715,085.15/47,836.73
  6. Step 6: Final answer
    x = 38,897.20

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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.