Home / 55,784.18-76,982.26-30,290.60

Finding the Fourth Proportional to 55,784.18, 76,982.26 and 30,290.60

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Solution

The fourth proportional to 55,784.18, 76,982.26 and 30,290.60 is: 41,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.18 : 76,982.26 = 30,290.60 : x
  2. Step 2: Convert to fraction form
    55,784.18/76,982.26 = 30,290.60/x
  3. Step 3: Cross multiply
    55,784.18x = 76,982.26 × 30,290.60
  4. Step 4: Simplify right side
    55,784.18x = 2,331,838,844.76
  5. Step 5: Solve for x
    x = 2,331,838,844.76/55,784.18
  6. Step 6: Final answer
    x = 41,801.08

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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.