Home / 35,747.94-49,315.05-21,397.98

Finding the Fourth Proportional to 35,747.94, 49,315.05 and 21,397.98

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Solution

The fourth proportional to 35,747.94, 49,315.05 and 21,397.98 is: 29,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.94 : 49,315.05 = 21,397.98 : x
  2. Step 2: Convert to fraction form
    35,747.94/49,315.05 = 21,397.98/x
  3. Step 3: Cross multiply
    35,747.94x = 49,315.05 × 21,397.98
  4. Step 4: Simplify right side
    35,747.94x = 1,055,242,453.60
  5. Step 5: Solve for x
    x = 1,055,242,453.60/35,747.94
  6. Step 6: Final answer
    x = 29,518.97

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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.