Home / 31,774.12-47,665.50-10,999.24

Finding the Fourth Proportional to 31,774.12, 47,665.50 and 10,999.24

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Solution

The fourth proportional to 31,774.12, 47,665.50 and 10,999.24 is: 16,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.12 : 47,665.50 = 10,999.24 : x
  2. Step 2: Convert to fraction form
    31,774.12/47,665.50 = 10,999.24/x
  3. Step 3: Cross multiply
    31,774.12x = 47,665.50 × 10,999.24
  4. Step 4: Simplify right side
    31,774.12x = 524,284,274.22
  5. Step 5: Solve for x
    x = 524,284,274.22/31,774.12
  6. Step 6: Final answer
    x = 16,500.36

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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.