Home / 55,296.47-76,309.09-30,145.97

Finding the Fourth Proportional to 55,296.47, 76,309.09 and 30,145.97

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Solution

The fourth proportional to 55,296.47, 76,309.09 and 30,145.97 is: 41,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.47 : 76,309.09 = 30,145.97 : x
  2. Step 2: Convert to fraction form
    55,296.47/76,309.09 = 30,145.97/x
  3. Step 3: Cross multiply
    55,296.47x = 76,309.09 × 30,145.97
  4. Step 4: Simplify right side
    55,296.47x = 2,300,411,653.28
  5. Step 5: Solve for x
    x = 2,300,411,653.28/55,296.47
  6. Step 6: Final answer
    x = 41,601.42

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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.