Home / 36,458.04-54,687.06-20,864.82

Finding the Fourth Proportional to 36,458.04, 54,687.06 and 20,864.82

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Solution

The fourth proportional to 36,458.04, 54,687.06 and 20,864.82 is: 31,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.04 : 54,687.06 = 20,864.82 : x
  2. Step 2: Convert to fraction form
    36,458.04/54,687.06 = 20,864.82/x
  3. Step 3: Cross multiply
    36,458.04x = 54,687.06 × 20,864.82
  4. Step 4: Simplify right side
    36,458.04x = 1,141,035,663.23
  5. Step 5: Solve for x
    x = 1,141,035,663.23/36,458.04
  6. Step 6: Final answer
    x = 31,297.23

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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.