Home / 38,787.76-58,181.60-11,085.76

Finding the Fourth Proportional to 38,787.76, 58,181.60 and 11,085.76

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Solution

The fourth proportional to 38,787.76, 58,181.60 and 11,085.76 is: 16,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.76 : 58,181.60 = 11,085.76 : x
  2. Step 2: Convert to fraction form
    38,787.76/58,181.60 = 11,085.76/x
  3. Step 3: Cross multiply
    38,787.76x = 58,181.60 × 11,085.76
  4. Step 4: Simplify right side
    38,787.76x = 644,987,254.02
  5. Step 5: Solve for x
    x = 644,987,254.02/38,787.76
  6. Step 6: Final answer
    x = 16,628.63

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1.5x scale

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.