Home / 31,725.66-47,530.96-19,248.82

Finding the Fourth Proportional to 31,725.66, 47,530.96 and 19,248.82

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Solution

The fourth proportional to 31,725.66, 47,530.96 and 19,248.82 is: 28,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.66 : 47,530.96 = 19,248.82 : x
  2. Step 2: Convert to fraction form
    31,725.66/47,530.96 = 19,248.82/x
  3. Step 3: Cross multiply
    31,725.66x = 47,530.96 × 19,248.82
  4. Step 4: Simplify right side
    31,725.66x = 914,914,893.47
  5. Step 5: Solve for x
    x = 914,914,893.47/31,725.66
  6. Step 6: Final answer
    x = 28,838.32

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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.