Home / 31,544.64-43,215.68-30,362.88

Finding the Fourth Proportional to 31,544.64, 43,215.68 and 30,362.88

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Solution

The fourth proportional to 31,544.64, 43,215.68 and 30,362.88 is: 41,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544.64 : 43,215.68 = 30,362.88 : x
  2. Step 2: Convert to fraction form
    31,544.64/43,215.68 = 30,362.88/x
  3. Step 3: Cross multiply
    31,544.64x = 43,215.68 × 30,362.88
  4. Step 4: Simplify right side
    31,544.64x = 1,312,152,505.96
  5. Step 5: Solve for x
    x = 1,312,152,505.96/31,544.64
  6. Step 6: Final answer
    x = 41,596.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.