Home / 51,776.64-77,652.11-22,191.12

Finding the Fourth Proportional to 51,776.64, 77,652.11 and 22,191.12

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Solution

The fourth proportional to 51,776.64, 77,652.11 and 22,191.12 is: 33,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,776.64 : 77,652.11 = 22,191.12 : x
  2. Step 2: Convert to fraction form
    51,776.64/77,652.11 = 22,191.12/x
  3. Step 3: Cross multiply
    51,776.64x = 77,652.11 × 22,191.12
  4. Step 4: Simplify right side
    51,776.64x = 1,723,187,291.26
  5. Step 5: Solve for x
    x = 1,723,187,291.26/51,776.64
  6. Step 6: Final answer
    x = 33,281.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.