Home / 54,518.74-75,240.30-31,556.32

Finding the Fourth Proportional to 54,518.74, 75,240.30 and 31,556.32

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Solution

The fourth proportional to 54,518.74, 75,240.30 and 31,556.32 is: 43,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518.74 : 75,240.30 = 31,556.32 : x
  2. Step 2: Convert to fraction form
    54,518.74/75,240.30 = 31,556.32/x
  3. Step 3: Cross multiply
    54,518.74x = 75,240.30 × 31,556.32
  4. Step 4: Simplify right side
    54,518.74x = 2,374,306,983.70
  5. Step 5: Solve for x
    x = 2,374,306,983.70/54,518.74
  6. Step 6: Final answer
    x = 43,550.29

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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.