Home / 57,389.15-79,174.35-33,185.66

Finding the Fourth Proportional to 57,389.15, 79,174.35 and 33,185.66

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Solution

The fourth proportional to 57,389.15, 79,174.35 and 33,185.66 is: 45,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.15 : 79,174.35 = 33,185.66 : x
  2. Step 2: Convert to fraction form
    57,389.15/79,174.35 = 33,185.66/x
  3. Step 3: Cross multiply
    57,389.15x = 79,174.35 × 33,185.66
  4. Step 4: Simplify right side
    57,389.15x = 2,627,453,059.82
  5. Step 5: Solve for x
    x = 2,627,453,059.82/57,389.15
  6. Step 6: Final answer
    x = 45,783.10

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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.