Home / 55,437.92-76,504.20-30,287.60

Finding the Fourth Proportional to 55,437.92, 76,504.20 and 30,287.60

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Solution

The fourth proportional to 55,437.92, 76,504.20 and 30,287.60 is: 41,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.92 : 76,504.20 = 30,287.60 : x
  2. Step 2: Convert to fraction form
    55,437.92/76,504.20 = 30,287.60/x
  3. Step 3: Cross multiply
    55,437.92x = 76,504.20 × 30,287.60
  4. Step 4: Simplify right side
    55,437.92x = 2,317,128,607.92
  5. Step 5: Solve for x
    x = 2,317,128,607.92/55,437.92
  6. Step 6: Final answer
    x = 41,796.82

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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.