Home / 38,665.30-53,345.64-22,753.66

Finding the Fourth Proportional to 38,665.30, 53,345.64 and 22,753.66

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Solution

The fourth proportional to 38,665.30, 53,345.64 and 22,753.66 is: 31,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.30 : 53,345.64 = 22,753.66 : x
  2. Step 2: Convert to fraction form
    38,665.30/53,345.64 = 22,753.66/x
  3. Step 3: Cross multiply
    38,665.30x = 53,345.64 × 22,753.66
  4. Step 4: Simplify right side
    38,665.30x = 1,213,808,555.04
  5. Step 5: Solve for x
    x = 1,213,808,555.04/38,665.30
  6. Step 6: Final answer
    x = 31,392.71

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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.