Home / 38,979.21-58,444.31-16,478.22

Finding the Fourth Proportional to 38,979.21, 58,444.31 and 16,478.22

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Solution

The fourth proportional to 38,979.21, 58,444.31 and 16,478.22 is: 24,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979.21 : 58,444.31 = 16,478.22 : x
  2. Step 2: Convert to fraction form
    38,979.21/58,444.31 = 16,478.22/x
  3. Step 3: Cross multiply
    38,979.21x = 58,444.31 × 16,478.22
  4. Step 4: Simplify right side
    38,979.21x = 963,058,115.54
  5. Step 5: Solve for x
    x = 963,058,115.54/38,979.21
  6. Step 6: Final answer
    x = 24,706.97

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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.