Home / 51,735.65-71,393.13-31,626.18

Finding the Fourth Proportional to 51,735.65, 71,393.13 and 31,626.18

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Solution

The fourth proportional to 51,735.65, 71,393.13 and 31,626.18 is: 43,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,735.65 : 71,393.13 = 31,626.18 : x
  2. Step 2: Convert to fraction form
    51,735.65/71,393.13 = 31,626.18/x
  3. Step 3: Cross multiply
    51,735.65x = 71,393.13 × 31,626.18
  4. Step 4: Simplify right side
    51,735.65x = 2,257,891,980.14
  5. Step 5: Solve for x
    x = 2,257,891,980.14/51,735.65
  6. Step 6: Final answer
    x = 43,642.87

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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.