Home / 35,717.76-49,281.21-21,371.45

Finding the Fourth Proportional to 35,717.76, 49,281.21 and 21,371.45

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Solution

The fourth proportional to 35,717.76, 49,281.21 and 21,371.45 is: 29,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,717.76 : 49,281.21 = 21,371.45 : x
  2. Step 2: Convert to fraction form
    35,717.76/49,281.21 = 21,371.45/x
  3. Step 3: Cross multiply
    35,717.76x = 49,281.21 × 21,371.45
  4. Step 4: Simplify right side
    35,717.76x = 1,053,210,669.05
  5. Step 5: Solve for x
    x = 1,053,210,669.05/35,717.76
  6. Step 6: Final answer
    x = 29,487.03

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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.