Home / 38,717.66-53,423.88-22,805.28

Finding the Fourth Proportional to 38,717.66, 53,423.88 and 22,805.28

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Solution

The fourth proportional to 38,717.66, 53,423.88 and 22,805.28 is: 31,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.66 : 53,423.88 = 22,805.28 : x
  2. Step 2: Convert to fraction form
    38,717.66/53,423.88 = 22,805.28/x
  3. Step 3: Cross multiply
    38,717.66x = 53,423.88 × 22,805.28
  4. Step 4: Simplify right side
    38,717.66x = 1,218,346,542.09
  5. Step 5: Solve for x
    x = 1,218,346,542.09/38,717.66
  6. Step 6: Final answer
    x = 31,467.47

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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.