Home / 55,030.53-75,942.42-31,161.86

Finding the Fourth Proportional to 55,030.53, 75,942.42 and 31,161.86

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Solution

The fourth proportional to 55,030.53, 75,942.42 and 31,161.86 is: 43,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.53 : 75,942.42 = 31,161.86 : x
  2. Step 2: Convert to fraction form
    55,030.53/75,942.42 = 31,161.86/x
  3. Step 3: Cross multiply
    55,030.53x = 75,942.42 × 31,161.86
  4. Step 4: Simplify right side
    55,030.53x = 2,366,507,082.03
  5. Step 5: Solve for x
    x = 2,366,507,082.03/55,030.53
  6. Step 6: Final answer
    x = 43,003.53

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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.