Home / 55,746.48-76,879.28-36,618.58

Finding the Fourth Proportional to 55,746.48, 76,879.28 and 36,618.58

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Solution

The fourth proportional to 55,746.48, 76,879.28 and 36,618.58 is: 50,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,746.48 : 76,879.28 = 36,618.58 : x
  2. Step 2: Convert to fraction form
    55,746.48/76,879.28 = 36,618.58/x
  3. Step 3: Cross multiply
    55,746.48x = 76,879.28 × 36,618.58
  4. Step 4: Simplify right side
    55,746.48x = 2,815,210,046.69
  5. Step 5: Solve for x
    x = 2,815,210,046.69/55,746.48
  6. Step 6: Final answer
    x = 50,500.23

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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.