Home / 54,435.86-75,120.37-30,562.53

Finding the Fourth Proportional to 54,435.86, 75,120.37 and 30,562.53

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Solution

The fourth proportional to 54,435.86, 75,120.37 and 30,562.53 is: 42,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.86 : 75,120.37 = 30,562.53 : x
  2. Step 2: Convert to fraction form
    54,435.86/75,120.37 = 30,562.53/x
  3. Step 3: Cross multiply
    54,435.86x = 75,120.37 × 30,562.53
  4. Step 4: Simplify right side
    54,435.86x = 2,295,868,485.33
  5. Step 5: Solve for x
    x = 2,295,868,485.33/54,435.86
  6. Step 6: Final answer
    x = 42,175.67

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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.