Home / 55,921.32-77,171.58-30,427.92

Finding the Fourth Proportional to 55,921.32, 77,171.58 and 30,427.92

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Solution

The fourth proportional to 55,921.32, 77,171.58 and 30,427.92 is: 41,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,921.32 : 77,171.58 = 30,427.92 : x
  2. Step 2: Convert to fraction form
    55,921.32/77,171.58 = 30,427.92/x
  3. Step 3: Cross multiply
    55,921.32x = 77,171.58 × 30,427.92
  4. Step 4: Simplify right side
    55,921.32x = 2,348,170,662.51
  5. Step 5: Solve for x
    x = 2,348,170,662.51/55,921.32
  6. Step 6: Final answer
    x = 41,990.62

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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.