Home / 33,429.85-46,127.15-21,490.45

Finding the Fourth Proportional to 33,429.85, 46,127.15 and 21,490.45

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Solution

The fourth proportional to 33,429.85, 46,127.15 and 21,490.45 is: 29,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.85 : 46,127.15 = 21,490.45 : x
  2. Step 2: Convert to fraction form
    33,429.85/46,127.15 = 21,490.45/x
  3. Step 3: Cross multiply
    33,429.85x = 46,127.15 × 21,490.45
  4. Step 4: Simplify right side
    33,429.85x = 991,293,103.27
  5. Step 5: Solve for x
    x = 991,293,103.27/33,429.85
  6. Step 6: Final answer
    x = 29,652.93

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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.