Home / 38,256.17-52,791.23-21,488.81

Finding the Fourth Proportional to 38,256.17, 52,791.23 and 21,488.81

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Solution

The fourth proportional to 38,256.17, 52,791.23 and 21,488.81 is: 29,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,256.17 : 52,791.23 = 21,488.81 : x
  2. Step 2: Convert to fraction form
    38,256.17/52,791.23 = 21,488.81/x
  3. Step 3: Cross multiply
    38,256.17x = 52,791.23 × 21,488.81
  4. Step 4: Simplify right side
    38,256.17x = 1,134,420,500.90
  5. Step 5: Solve for x
    x = 1,134,420,500.90/38,256.17
  6. Step 6: Final answer
    x = 29,653.27

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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.