Home / 51,989.13-77,983.70-16,932.33

Finding the Fourth Proportional to 51,989.13, 77,983.70 and 16,932.33

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Solution

The fourth proportional to 51,989.13, 77,983.70 and 16,932.33 is: 25,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.13 : 77,983.70 = 16,932.33 : x
  2. Step 2: Convert to fraction form
    51,989.13/77,983.70 = 16,932.33/x
  3. Step 3: Cross multiply
    51,989.13x = 77,983.70 × 16,932.33
  4. Step 4: Simplify right side
    51,989.13x = 1,320,445,658.36
  5. Step 5: Solve for x
    x = 1,320,445,658.36/51,989.13
  6. Step 6: Final answer
    x = 25,398.50

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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.