Home / 31,500.74-47,259.24-11,779.44

Finding the Fourth Proportional to 31,500.74, 47,259.24 and 11,779.44

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Solution

The fourth proportional to 31,500.74, 47,259.24 and 11,779.44 is: 17,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.74 : 47,259.24 = 11,779.44 : x
  2. Step 2: Convert to fraction form
    31,500.74/47,259.24 = 11,779.44/x
  3. Step 3: Cross multiply
    31,500.74x = 47,259.24 × 11,779.44
  4. Step 4: Simplify right side
    31,500.74x = 556,687,382.03
  5. Step 5: Solve for x
    x = 556,687,382.03/31,500.74
  6. Step 6: Final answer
    x = 17,672.20

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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.