Home / 38,737.54-57,981.74-19,992.04

Finding the Fourth Proportional to 38,737.54, 57,981.74 and 19,992.04

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Solution

The fourth proportional to 38,737.54, 57,981.74 and 19,992.04 is: 29,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,737.54 : 57,981.74 = 19,992.04 : x
  2. Step 2: Convert to fraction form
    38,737.54/57,981.74 = 19,992.04/x
  3. Step 3: Cross multiply
    38,737.54x = 57,981.74 × 19,992.04
  4. Step 4: Simplify right side
    38,737.54x = 1,159,173,265.35
  5. Step 5: Solve for x
    x = 1,159,173,265.35/38,737.54
  6. Step 6: Final answer
    x = 29,923.77

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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.