Home / 31,161.12-46,688.49-17,132.90

Finding the Fourth Proportional to 31,161.12, 46,688.49 and 17,132.90

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Solution

The fourth proportional to 31,161.12, 46,688.49 and 17,132.90 is: 25,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.12 : 46,688.49 = 17,132.90 : x
  2. Step 2: Convert to fraction form
    31,161.12/46,688.49 = 17,132.90/x
  3. Step 3: Cross multiply
    31,161.12x = 46,688.49 × 17,132.90
  4. Step 4: Simplify right side
    31,161.12x = 799,908,996.88
  5. Step 5: Solve for x
    x = 799,908,996.88/31,161.12
  6. Step 6: Final answer
    x = 25,670.10

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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.