Home / 55,117.87-76,100.21-36,995.74

Finding the Fourth Proportional to 55,117.87, 76,100.21 and 36,995.74

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Solution

The fourth proportional to 55,117.87, 76,100.21 and 36,995.74 is: 51,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.87 : 76,100.21 = 36,995.74 : x
  2. Step 2: Convert to fraction form
    55,117.87/76,100.21 = 36,995.74/x
  3. Step 3: Cross multiply
    55,117.87x = 76,100.21 × 36,995.74
  4. Step 4: Simplify right side
    55,117.87x = 2,815,383,346.61
  5. Step 5: Solve for x
    x = 2,815,383,346.61/55,117.87
  6. Step 6: Final answer
    x = 51,079.32

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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.