Home / 31,567.90-47,359.26-9,381.46

Finding the Fourth Proportional to 31,567.90, 47,359.26 and 9,381.46

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Solution

The fourth proportional to 31,567.90, 47,359.26 and 9,381.46 is: 14,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.90 : 47,359.26 = 9,381.46 : x
  2. Step 2: Convert to fraction form
    31,567.90/47,359.26 = 9,381.46/x
  3. Step 3: Cross multiply
    31,567.90x = 47,359.26 × 9,381.46
  4. Step 4: Simplify right side
    31,567.90x = 444,299,003.32
  5. Step 5: Solve for x
    x = 444,299,003.32/31,567.90
  6. Step 6: Final answer
    x = 14,074.39

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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.