Home / 51,168.24-76,752.72-17,888.16

Finding the Fourth Proportional to 51,168.24, 76,752.72 and 17,888.16

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Solution

The fourth proportional to 51,168.24, 76,752.72 and 17,888.16 is: 26,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168.24 : 76,752.72 = 17,888.16 : x
  2. Step 2: Convert to fraction form
    51,168.24/76,752.72 = 17,888.16/x
  3. Step 3: Cross multiply
    51,168.24x = 76,752.72 × 17,888.16
  4. Step 4: Simplify right side
    51,168.24x = 1,372,964,935.80
  5. Step 5: Solve for x
    x = 1,372,964,935.80/51,168.24
  6. Step 6: Final answer
    x = 26,832.37

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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.