Home / 39,703.91-54,795.76-22,709.70

Finding the Fourth Proportional to 39,703.91, 54,795.76 and 22,709.70

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Solution

The fourth proportional to 39,703.91, 54,795.76 and 22,709.70 is: 31,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703.91 : 54,795.76 = 22,709.70 : x
  2. Step 2: Convert to fraction form
    39,703.91/54,795.76 = 22,709.70/x
  3. Step 3: Cross multiply
    39,703.91x = 54,795.76 × 22,709.70
  4. Step 4: Simplify right side
    39,703.91x = 1,244,395,214.10
  5. Step 5: Solve for x
    x = 1,244,395,214.10/39,703.91
  6. Step 6: Final answer
    x = 31,341.88

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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.