Home / 55,758.24-76,944.06-30,608.28

Finding the Fourth Proportional to 55,758.24, 76,944.06 and 30,608.28

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Solution

The fourth proportional to 55,758.24, 76,944.06 and 30,608.28 is: 42,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.24 : 76,944.06 = 30,608.28 : x
  2. Step 2: Convert to fraction form
    55,758.24/76,944.06 = 30,608.28/x
  3. Step 3: Cross multiply
    55,758.24x = 76,944.06 × 30,608.28
  4. Step 4: Simplify right side
    55,758.24x = 2,355,125,332.82
  5. Step 5: Solve for x
    x = 2,355,125,332.82/55,758.24
  6. Step 6: Final answer
    x = 42,238.16

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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.