Home / 38,163.34-52,665.71-21,166.64

Finding the Fourth Proportional to 38,163.34, 52,665.71 and 21,166.64

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Solution

The fourth proportional to 38,163.34, 52,665.71 and 21,166.64 is: 29,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.34 : 52,665.71 = 21,166.64 : x
  2. Step 2: Convert to fraction form
    38,163.34/52,665.71 = 21,166.64/x
  3. Step 3: Cross multiply
    38,163.34x = 52,665.71 × 21,166.64
  4. Step 4: Simplify right side
    38,163.34x = 1,114,756,123.91
  5. Step 5: Solve for x
    x = 1,114,756,123.91/38,163.34
  6. Step 6: Final answer
    x = 29,210.13

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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.