Home / 31,373.16-43,295.88-17,760.18

Finding the Fourth Proportional to 31,373.16, 43,295.88 and 17,760.18

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Solution

The fourth proportional to 31,373.16, 43,295.88 and 17,760.18 is: 24,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.16 : 43,295.88 = 17,760.18 : x
  2. Step 2: Convert to fraction form
    31,373.16/43,295.88 = 17,760.18/x
  3. Step 3: Cross multiply
    31,373.16x = 43,295.88 × 17,760.18
  4. Step 4: Simplify right side
    31,373.16x = 768,942,622.06
  5. Step 5: Solve for x
    x = 768,942,622.06/31,373.16
  6. Step 6: Final answer
    x = 24,509.57

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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.