Home / 57,389.40-79,174.70-33,185.91

Finding the Fourth Proportional to 57,389.40, 79,174.70 and 33,185.91

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Solution

The fourth proportional to 57,389.40, 79,174.70 and 33,185.91 is: 45,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.40 : 79,174.70 = 33,185.91 : x
  2. Step 2: Convert to fraction form
    57,389.40/79,174.70 = 33,185.91/x
  3. Step 3: Cross multiply
    57,389.40x = 79,174.70 × 33,185.91
  4. Step 4: Simplify right side
    57,389.40x = 2,627,484,302.55
  5. Step 5: Solve for x
    x = 2,627,484,302.55/57,389.40
  6. Step 6: Final answer
    x = 45,783.44

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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.