Home / 38,787.96-58,180.05-12,492.12

Finding the Fourth Proportional to 38,787.96, 58,180.05 and 12,492.12

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Solution

The fourth proportional to 38,787.96, 58,180.05 and 12,492.12 is: 18,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.96 : 58,180.05 = 12,492.12 : x
  2. Step 2: Convert to fraction form
    38,787.96/58,180.05 = 12,492.12/x
  3. Step 3: Cross multiply
    38,787.96x = 58,180.05 × 12,492.12
  4. Step 4: Simplify right side
    38,787.96x = 726,792,166.21
  5. Step 5: Solve for x
    x = 726,792,166.21/38,787.96
  6. Step 6: Final answer
    x = 18,737.57

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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.