Home / 35,729.32-49,306.44-19,814.80

Finding the Fourth Proportional to 35,729.32, 49,306.44 and 19,814.80

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Solution

The fourth proportional to 35,729.32, 49,306.44 and 19,814.80 is: 27,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.32 : 49,306.44 = 19,814.80 : x
  2. Step 2: Convert to fraction form
    35,729.32/49,306.44 = 19,814.80/x
  3. Step 3: Cross multiply
    35,729.32x = 49,306.44 × 19,814.80
  4. Step 4: Simplify right side
    35,729.32x = 976,997,247.31
  5. Step 5: Solve for x
    x = 976,997,247.31/35,729.32
  6. Step 6: Final answer
    x = 27,344.41

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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.