Home / 55,190.58-76,164.76-31,318.26

Finding the Fourth Proportional to 55,190.58, 76,164.76 and 31,318.26

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Solution

The fourth proportional to 55,190.58, 76,164.76 and 31,318.26 is: 43,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.58 : 76,164.76 = 31,318.26 : x
  2. Step 2: Convert to fraction form
    55,190.58/76,164.76 = 31,318.26/x
  3. Step 3: Cross multiply
    55,190.58x = 76,164.76 × 31,318.26
  4. Step 4: Simplify right side
    55,190.58x = 2,385,347,756.52
  5. Step 5: Solve for x
    x = 2,385,347,756.52/55,190.58
  6. Step 6: Final answer
    x = 43,220.20

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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.