Home / 55,392.70-76,441.52-30,242.20

Finding the Fourth Proportional to 55,392.70, 76,441.52 and 30,242.20

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Solution

The fourth proportional to 55,392.70, 76,441.52 and 30,242.20 is: 41,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,392.70 : 76,441.52 = 30,242.20 : x
  2. Step 2: Convert to fraction form
    55,392.70/76,441.52 = 30,242.20/x
  3. Step 3: Cross multiply
    55,392.70x = 76,441.52 × 30,242.20
  4. Step 4: Simplify right side
    55,392.70x = 2,311,759,736.14
  5. Step 5: Solve for x
    x = 2,311,759,736.14/55,392.70
  6. Step 6: Final answer
    x = 41,734.01

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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.