Home / 55,296.72-76,309.92-30,146.40

Finding the Fourth Proportional to 55,296.72, 76,309.92 and 30,146.40

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Solution

The fourth proportional to 55,296.72, 76,309.92 and 30,146.40 is: 41,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.72 : 76,309.92 = 30,146.40 : x
  2. Step 2: Convert to fraction form
    55,296.72/76,309.92 = 30,146.40/x
  3. Step 3: Cross multiply
    55,296.72x = 76,309.92 × 30,146.40
  4. Step 4: Simplify right side
    55,296.72x = 2,300,469,372.29
  5. Step 5: Solve for x
    x = 2,300,469,372.29/55,296.72
  6. Step 6: Final answer
    x = 41,602.28

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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.