Home / 31,552.81-43,543.11-17,406.16

Finding the Fourth Proportional to 31,552.81, 43,543.11 and 17,406.16

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Solution

The fourth proportional to 31,552.81, 43,543.11 and 17,406.16 is: 24,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.81 : 43,543.11 = 17,406.16 : x
  2. Step 2: Convert to fraction form
    31,552.81/43,543.11 = 17,406.16/x
  3. Step 3: Cross multiply
    31,552.81x = 43,543.11 × 17,406.16
  4. Step 4: Simplify right side
    31,552.81x = 757,918,339.56
  5. Step 5: Solve for x
    x = 757,918,339.56/31,552.81
  6. Step 6: Final answer
    x = 24,020.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.