Home / 31,493.49-47,248.35-11,772.19

Finding the Fourth Proportional to 31,493.49, 47,248.35 and 11,772.19

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Solution

The fourth proportional to 31,493.49, 47,248.35 and 11,772.19 is: 17,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.49 : 47,248.35 = 11,772.19 : x
  2. Step 2: Convert to fraction form
    31,493.49/47,248.35 = 11,772.19/x
  3. Step 3: Cross multiply
    31,493.49x = 47,248.35 × 11,772.19
  4. Step 4: Simplify right side
    31,493.49x = 556,216,553.39
  5. Step 5: Solve for x
    x = 556,216,553.39/31,493.49
  6. Step 6: Final answer
    x = 17,661.32

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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.