Home / 33,356.10-46,031.16-21,423.99

Finding the Fourth Proportional to 33,356.10, 46,031.16 and 21,423.99

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Solution

The fourth proportional to 33,356.10, 46,031.16 and 21,423.99 is: 29,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,356.10 : 46,031.16 = 21,423.99 : x
  2. Step 2: Convert to fraction form
    33,356.10/46,031.16 = 21,423.99/x
  3. Step 3: Cross multiply
    33,356.10x = 46,031.16 × 21,423.99
  4. Step 4: Simplify right side
    33,356.10x = 986,171,111.53
  5. Step 5: Solve for x
    x = 986,171,111.53/33,356.10
  6. Step 6: Final answer
    x = 29,564.94

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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.