Home / 38,383.86-52,960.46-21,616.86

Finding the Fourth Proportional to 38,383.86, 52,960.46 and 21,616.86

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Solution

The fourth proportional to 38,383.86, 52,960.46 and 21,616.86 is: 29,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.86 : 52,960.46 = 21,616.86 : x
  2. Step 2: Convert to fraction form
    38,383.86/52,960.46 = 21,616.86/x
  3. Step 3: Cross multiply
    38,383.86x = 52,960.46 × 21,616.86
  4. Step 4: Simplify right side
    38,383.86x = 1,144,838,741.27
  5. Step 5: Solve for x
    x = 1,144,838,741.27/38,383.86
  6. Step 6: Final answer
    x = 29,826.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.