Home / 51,728.34-77,605.47-16,667.22

Finding the Fourth Proportional to 51,728.34, 77,605.47 and 16,667.22

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Solution

The fourth proportional to 51,728.34, 77,605.47 and 16,667.22 is: 25,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,728.34 : 77,605.47 = 16,667.22 : x
  2. Step 2: Convert to fraction form
    51,728.34/77,605.47 = 16,667.22/x
  3. Step 3: Cross multiply
    51,728.34x = 77,605.47 × 16,667.22
  4. Step 4: Simplify right side
    51,728.34x = 1,293,467,441.69
  5. Step 5: Solve for x
    x = 1,293,467,441.69/51,728.34
  6. Step 6: Final answer
    x = 25,005.01

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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.