Home / 35,838.89-49,453.43-21,300.81

Finding the Fourth Proportional to 35,838.89, 49,453.43 and 21,300.81

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Solution

The fourth proportional to 35,838.89, 49,453.43 and 21,300.81 is: 29,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,838.89 : 49,453.43 = 21,300.81 : x
  2. Step 2: Convert to fraction form
    35,838.89/49,453.43 = 21,300.81/x
  3. Step 3: Cross multiply
    35,838.89x = 49,453.43 × 21,300.81
  4. Step 4: Simplify right side
    35,838.89x = 1,053,398,116.28
  5. Step 5: Solve for x
    x = 1,053,398,116.28/35,838.89
  6. Step 6: Final answer
    x = 29,392.60

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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.