Home / 51,233.57-76,798.51-21,206.36

Finding the Fourth Proportional to 51,233.57, 76,798.51 and 21,206.36

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Solution

The fourth proportional to 51,233.57, 76,798.51 and 21,206.36 is: 31,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,233.57 : 76,798.51 = 21,206.36 : x
  2. Step 2: Convert to fraction form
    51,233.57/76,798.51 = 21,206.36/x
  3. Step 3: Cross multiply
    51,233.57x = 76,798.51 × 21,206.36
  4. Step 4: Simplify right side
    51,233.57x = 1,628,616,850.52
  5. Step 5: Solve for x
    x = 1,628,616,850.52/51,233.57
  6. Step 6: Final answer
    x = 31,788.08

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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.