Home / 31,745.36-47,612.28-16,953.68

Finding the Fourth Proportional to 31,745.36, 47,612.28 and 16,953.68

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Solution

The fourth proportional to 31,745.36, 47,612.28 and 16,953.68 is: 25,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.36 : 47,612.28 = 16,953.68 : x
  2. Step 2: Convert to fraction form
    31,745.36/47,612.28 = 16,953.68/x
  3. Step 3: Cross multiply
    31,745.36x = 47,612.28 × 16,953.68
  4. Step 4: Simplify right side
    31,745.36x = 807,203,359.19
  5. Step 5: Solve for x
    x = 807,203,359.19/31,745.36
  6. Step 6: Final answer
    x = 25,427.44

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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.