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Finding the Fourth Proportional to 36,005.00, 49,678.92 and 20,888.90

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Solution

The fourth proportional to 36,005.00, 49,678.92 and 20,888.90 is: 28,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.00 : 49,678.92 = 20,888.90 : x
  2. Step 2: Convert to fraction form
    36,005.00/49,678.92 = 20,888.90/x
  3. Step 3: Cross multiply
    36,005.00x = 49,678.92 × 20,888.90
  4. Step 4: Simplify right side
    36,005.00x = 1,037,737,743.59
  5. Step 5: Solve for x
    x = 1,037,737,743.59/36,005.00
  6. Step 6: Final answer
    x = 28,822.05

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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.