Home / 31,192.90-46,770.62-13,159.67

Finding the Fourth Proportional to 31,192.90, 46,770.62 and 13,159.67

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Solution

The fourth proportional to 31,192.90, 46,770.62 and 13,159.67 is: 19,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.90 : 46,770.62 = 13,159.67 : x
  2. Step 2: Convert to fraction form
    31,192.90/46,770.62 = 13,159.67/x
  3. Step 3: Cross multiply
    31,192.90x = 46,770.62 × 13,159.67
  4. Step 4: Simplify right side
    31,192.90x = 615,485,625.24
  5. Step 5: Solve for x
    x = 615,485,625.24/31,192.90
  6. Step 6: Final answer
    x = 19,731.60

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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.