Home / 31,962.88-47,938.56-11,192.32

Finding the Fourth Proportional to 31,962.88, 47,938.56 and 11,192.32

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Solution

The fourth proportional to 31,962.88, 47,938.56 and 11,192.32 is: 16,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.88 : 47,938.56 = 11,192.32 : x
  2. Step 2: Convert to fraction form
    31,962.88/47,938.56 = 11,192.32/x
  3. Step 3: Cross multiply
    31,962.88x = 47,938.56 × 11,192.32
  4. Step 4: Simplify right side
    31,962.88x = 536,543,703.86
  5. Step 5: Solve for x
    x = 536,543,703.86/31,962.88
  6. Step 6: Final answer
    x = 16,786.46

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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.