Home / 55,713.66-76,885.83-30,563.34

Finding the Fourth Proportional to 55,713.66, 76,885.83 and 30,563.34

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Solution

The fourth proportional to 55,713.66, 76,885.83 and 30,563.34 is: 42,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.66 : 76,885.83 = 30,563.34 : x
  2. Step 2: Convert to fraction form
    55,713.66/76,885.83 = 30,563.34/x
  3. Step 3: Cross multiply
    55,713.66x = 76,885.83 × 30,563.34
  4. Step 4: Simplify right side
    55,713.66x = 2,349,887,763.47
  5. Step 5: Solve for x
    x = 2,349,887,763.47/55,713.66
  6. Step 6: Final answer
    x = 42,177.95

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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.