Home / 38,623.75-57,888.83-16,390.42

Finding the Fourth Proportional to 38,623.75, 57,888.83 and 16,390.42

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Solution

The fourth proportional to 38,623.75, 57,888.83 and 16,390.42 is: 24,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,623.75 : 57,888.83 = 16,390.42 : x
  2. Step 2: Convert to fraction form
    38,623.75/57,888.83 = 16,390.42/x
  3. Step 3: Cross multiply
    38,623.75x = 57,888.83 × 16,390.42
  4. Step 4: Simplify right side
    38,623.75x = 948,822,133.26
  5. Step 5: Solve for x
    x = 948,822,133.26/38,623.75
  6. Step 6: Final answer
    x = 24,565.77

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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.