Home / 33,128.30-49,641.43-15,347.99

Finding the Fourth Proportional to 33,128.30, 49,641.43 and 15,347.99

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Solution

The fourth proportional to 33,128.30, 49,641.43 and 15,347.99 is: 22,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128.30 : 49,641.43 = 15,347.99 : x
  2. Step 2: Convert to fraction form
    33,128.30/49,641.43 = 15,347.99/x
  3. Step 3: Cross multiply
    33,128.30x = 49,641.43 × 15,347.99
  4. Step 4: Simplify right side
    33,128.30x = 761,896,256.96
  5. Step 5: Solve for x
    x = 761,896,256.96/33,128.30
  6. Step 6: Final answer
    x = 22,998.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.