Home / 38,390.81-57,616.59-16,219.49

Finding the Fourth Proportional to 38,390.81, 57,616.59 and 16,219.49

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Solution

The fourth proportional to 38,390.81, 57,616.59 and 16,219.49 is: 24,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.81 : 57,616.59 = 16,219.49 : x
  2. Step 2: Convert to fraction form
    38,390.81/57,616.59 = 16,219.49/x
  3. Step 3: Cross multiply
    38,390.81x = 57,616.59 × 16,219.49
  4. Step 4: Simplify right side
    38,390.81x = 934,511,705.34
  5. Step 5: Solve for x
    x = 934,511,705.34/38,390.81
  6. Step 6: Final answer
    x = 24,342.07

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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.