Home / 55,230.13-76,214.91-31,353.58

Finding the Fourth Proportional to 55,230.13, 76,214.91 and 31,353.58

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Solution

The fourth proportional to 55,230.13, 76,214.91 and 31,353.58 is: 43,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.13 : 76,214.91 = 31,353.58 : x
  2. Step 2: Convert to fraction form
    55,230.13/76,214.91 = 31,353.58/x
  3. Step 3: Cross multiply
    55,230.13x = 76,214.91 × 31,353.58
  4. Step 4: Simplify right side
    55,230.13x = 2,389,610,277.88
  5. Step 5: Solve for x
    x = 2,389,610,277.88/55,230.13
  6. Step 6: Final answer
    x = 43,266.43

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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.