Home / 47,836.48-66,010.31-28,187.85

Finding the Fourth Proportional to 47,836.48, 66,010.31 and 28,187.85

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Solution

The fourth proportional to 47,836.48, 66,010.31 and 28,187.85 is: 38,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,836.48 : 66,010.31 = 28,187.85 : x
  2. Step 2: Convert to fraction form
    47,836.48/66,010.31 = 28,187.85/x
  3. Step 3: Cross multiply
    47,836.48x = 66,010.31 × 28,187.85
  4. Step 4: Simplify right side
    47,836.48x = 1,860,688,787.20
  5. Step 5: Solve for x
    x = 1,860,688,787.20/47,836.48
  6. Step 6: Final answer
    x = 38,896.86

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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.