Home / 55,064.40-75,993.60-31,195.32

Finding the Fourth Proportional to 55,064.40, 75,993.60 and 31,195.32

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Solution

The fourth proportional to 55,064.40, 75,993.60 and 31,195.32 is: 43,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064.40 : 75,993.60 = 31,195.32 : x
  2. Step 2: Convert to fraction form
    55,064.40/75,993.60 = 31,195.32/x
  3. Step 3: Cross multiply
    55,064.40x = 75,993.60 × 31,195.32
  4. Step 4: Simplify right side
    55,064.40x = 2,370,644,669.95
  5. Step 5: Solve for x
    x = 2,370,644,669.95/55,064.40
  6. Step 6: Final answer
    x = 43,052.22

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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.