Home / 55,627.20-76,764.96-30,133.20

Finding the Fourth Proportional to 55,627.20, 76,764.96 and 30,133.20

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Solution

The fourth proportional to 55,627.20, 76,764.96 and 30,133.20 is: 41,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.20 : 76,764.96 = 30,133.20 : x
  2. Step 2: Convert to fraction form
    55,627.20/76,764.96 = 30,133.20/x
  3. Step 3: Cross multiply
    55,627.20x = 76,764.96 × 30,133.20
  4. Step 4: Simplify right side
    55,627.20x = 2,313,173,892.67
  5. Step 5: Solve for x
    x = 2,313,173,892.67/55,627.20
  6. Step 6: Final answer
    x = 41,583.50

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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.