Home / 38,866.88-53,630.16-22,949.12

Finding the Fourth Proportional to 38,866.88, 53,630.16 and 22,949.12

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Solution

The fourth proportional to 38,866.88, 53,630.16 and 22,949.12 is: 31,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,866.88 : 53,630.16 = 22,949.12 : x
  2. Step 2: Convert to fraction form
    38,866.88/53,630.16 = 22,949.12/x
  3. Step 3: Cross multiply
    38,866.88x = 53,630.16 × 22,949.12
  4. Step 4: Simplify right side
    38,866.88x = 1,230,764,977.46
  5. Step 5: Solve for x
    x = 1,230,764,977.46/38,866.88
  6. Step 6: Final answer
    x = 31,666.16

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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.