Home / 55,232.62-76,216.34-31,031.70

Finding the Fourth Proportional to 55,232.62, 76,216.34 and 31,031.70

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Solution

The fourth proportional to 55,232.62, 76,216.34 and 31,031.70 is: 42,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.62 : 76,216.34 = 31,031.70 : x
  2. Step 2: Convert to fraction form
    55,232.62/76,216.34 = 31,031.70/x
  3. Step 3: Cross multiply
    55,232.62x = 76,216.34 × 31,031.70
  4. Step 4: Simplify right side
    55,232.62x = 2,365,122,597.98
  5. Step 5: Solve for x
    x = 2,365,122,597.98/55,232.62
  6. Step 6: Final answer
    x = 42,821.12

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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.