Home / 55,025.96-75,765.79-42,975.12

Finding the Fourth Proportional to 55,025.96, 75,765.79 and 42,975.12

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Solution

The fourth proportional to 55,025.96, 75,765.79 and 42,975.12 is: 59,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025.96 : 75,765.79 = 42,975.12 : x
  2. Step 2: Convert to fraction form
    55,025.96/75,765.79 = 42,975.12/x
  3. Step 3: Cross multiply
    55,025.96x = 75,765.79 × 42,975.12
  4. Step 4: Simplify right side
    55,025.96x = 3,256,043,917.14
  5. Step 5: Solve for x
    x = 3,256,043,917.14/55,025.96
  6. Step 6: Final answer
    x = 59,172.87

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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.