Home / 55,193.49-76,164.75-31,319.73

Finding the Fourth Proportional to 55,193.49, 76,164.75 and 31,319.73

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Solution

The fourth proportional to 55,193.49, 76,164.75 and 31,319.73 is: 43,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193.49 : 76,164.75 = 31,319.73 : x
  2. Step 2: Convert to fraction form
    55,193.49/76,164.75 = 31,319.73/x
  3. Step 3: Cross multiply
    55,193.49x = 76,164.75 × 31,319.73
  4. Step 4: Simplify right side
    55,193.49x = 2,385,459,405.52
  5. Step 5: Solve for x
    x = 2,385,459,405.52/55,193.49
  6. Step 6: Final answer
    x = 43,219.94

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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.