Home / 55,188.57-76,170.73-31,317.47

Finding the Fourth Proportional to 55,188.57, 76,170.73 and 31,317.47

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Solution

The fourth proportional to 55,188.57, 76,170.73 and 31,317.47 is: 43,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.57 : 76,170.73 = 31,317.47 : x
  2. Step 2: Convert to fraction form
    55,188.57/76,170.73 = 31,317.47/x
  3. Step 3: Cross multiply
    55,188.57x = 76,170.73 × 31,317.47
  4. Step 4: Simplify right side
    55,188.57x = 2,385,474,436.87
  5. Step 5: Solve for x
    x = 2,385,474,436.87/55,188.57
  6. Step 6: Final answer
    x = 43,224.06

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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.