Home / 53,612.82-73,995.26-30,948.71

Finding the Fourth Proportional to 53,612.82, 73,995.26 and 30,948.71

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Solution

The fourth proportional to 53,612.82, 73,995.26 and 30,948.71 is: 42,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,612.82 : 73,995.26 = 30,948.71 : x
  2. Step 2: Convert to fraction form
    53,612.82/73,995.26 = 30,948.71/x
  3. Step 3: Cross multiply
    53,612.82x = 73,995.26 × 30,948.71
  4. Step 4: Simplify right side
    53,612.82x = 2,290,057,318.39
  5. Step 5: Solve for x
    x = 2,290,057,318.39/53,612.82
  6. Step 6: Final answer
    x = 42,714.73

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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.