Home / 55,791.36-76,996.80-30,646.08

Finding the Fourth Proportional to 55,791.36, 76,996.80 and 30,646.08

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Solution

The fourth proportional to 55,791.36, 76,996.80 and 30,646.08 is: 42,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.36 : 76,996.80 = 30,646.08 : x
  2. Step 2: Convert to fraction form
    55,791.36/76,996.80 = 30,646.08/x
  3. Step 3: Cross multiply
    55,791.36x = 76,996.80 × 30,646.08
  4. Step 4: Simplify right side
    55,791.36x = 2,359,650,092.54
  5. Step 5: Solve for x
    x = 2,359,650,092.54/55,791.36
  6. Step 6: Final answer
    x = 42,294.18

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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.