Home / 55,548.72-76,658.94-30,398.76

Finding the Fourth Proportional to 55,548.72, 76,658.94 and 30,398.76

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Solution

The fourth proportional to 55,548.72, 76,658.94 and 30,398.76 is: 41,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,548.72 : 76,658.94 = 30,398.76 : x
  2. Step 2: Convert to fraction form
    55,548.72/76,658.94 = 30,398.76/x
  3. Step 3: Cross multiply
    55,548.72x = 76,658.94 × 30,398.76
  4. Step 4: Simplify right side
    55,548.72x = 2,330,336,718.91
  5. Step 5: Solve for x
    x = 2,330,336,718.91/55,548.72
  6. Step 6: Final answer
    x = 41,951.22

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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.