Home / 55,896.36-77,137.46-30,402.93

Finding the Fourth Proportional to 55,896.36, 77,137.46 and 30,402.93

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Solution

The fourth proportional to 55,896.36, 77,137.46 and 30,402.93 is: 41,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.36 : 77,137.46 = 30,402.93 : x
  2. Step 2: Convert to fraction form
    55,896.36/77,137.46 = 30,402.93/x
  3. Step 3: Cross multiply
    55,896.36x = 77,137.46 × 30,402.93
  4. Step 4: Simplify right side
    55,896.36x = 2,345,204,796.76
  5. Step 5: Solve for x
    x = 2,345,204,796.76/55,896.36
  6. Step 6: Final answer
    x = 41,956.31

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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.