Home / 55,222.48-76,207.38-31,349.58

Finding the Fourth Proportional to 55,222.48, 76,207.38 and 31,349.58

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Solution

The fourth proportional to 55,222.48, 76,207.38 and 31,349.58 is: 43,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.48 : 76,207.38 = 31,349.58 : x
  2. Step 2: Convert to fraction form
    55,222.48/76,207.38 = 31,349.58/x
  3. Step 3: Cross multiply
    55,222.48x = 76,207.38 × 31,349.58
  4. Step 4: Simplify right side
    55,222.48x = 2,389,069,355.90
  5. Step 5: Solve for x
    x = 2,389,069,355.90/55,222.48
  6. Step 6: Final answer
    x = 43,262.62

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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.