Home / 54,434.60-75,119.78-30,563.56

Finding the Fourth Proportional to 54,434.60, 75,119.78 and 30,563.56

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Solution

The fourth proportional to 54,434.60, 75,119.78 and 30,563.56 is: 42,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434.60 : 75,119.78 = 30,563.56 : x
  2. Step 2: Convert to fraction form
    54,434.60/75,119.78 = 30,563.56/x
  3. Step 3: Cross multiply
    54,434.60x = 75,119.78 × 30,563.56
  4. Step 4: Simplify right side
    54,434.60x = 2,295,927,903.22
  5. Step 5: Solve for x
    x = 2,295,927,903.22/54,434.60
  6. Step 6: Final answer
    x = 42,177.73

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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.