Home / 38,369.47-52,952.30-21,603.55

Finding the Fourth Proportional to 38,369.47, 52,952.30 and 21,603.55

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Solution

The fourth proportional to 38,369.47, 52,952.30 and 21,603.55 is: 29,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.47 : 52,952.30 = 21,603.55 : x
  2. Step 2: Convert to fraction form
    38,369.47/52,952.30 = 21,603.55/x
  3. Step 3: Cross multiply
    38,369.47x = 52,952.30 × 21,603.55
  4. Step 4: Simplify right side
    38,369.47x = 1,143,957,660.67
  5. Step 5: Solve for x
    x = 1,143,957,660.67/38,369.47
  6. Step 6: Final answer
    x = 29,814.27

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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.