Home / 55,507.56-76,601.75-31,636.46

Finding the Fourth Proportional to 55,507.56, 76,601.75 and 31,636.46

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Solution

The fourth proportional to 55,507.56, 76,601.75 and 31,636.46 is: 43,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.56 : 76,601.75 = 31,636.46 : x
  2. Step 2: Convert to fraction form
    55,507.56/76,601.75 = 31,636.46/x
  3. Step 3: Cross multiply
    55,507.56x = 76,601.75 × 31,636.46
  4. Step 4: Simplify right side
    55,507.56x = 2,423,407,658.61
  5. Step 5: Solve for x
    x = 2,423,407,658.61/55,507.56
  6. Step 6: Final answer
    x = 43,659.06

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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.