Home / 31,837.53-47,765.84-12,852.39

Finding the Fourth Proportional to 31,837.53, 47,765.84 and 12,852.39

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Solution

The fourth proportional to 31,837.53, 47,765.84 and 12,852.39 is: 19,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.53 : 47,765.84 = 12,852.39 : x
  2. Step 2: Convert to fraction form
    31,837.53/47,765.84 = 12,852.39/x
  3. Step 3: Cross multiply
    31,837.53x = 47,765.84 × 12,852.39
  4. Step 4: Simplify right side
    31,837.53x = 613,905,204.36
  5. Step 5: Solve for x
    x = 613,905,204.36/31,837.53
  6. Step 6: Final answer
    x = 19,282.44

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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.