Home / 53,638.36-74,029.74-29,772.70

Finding the Fourth Proportional to 53,638.36, 74,029.74 and 29,772.70

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Solution

The fourth proportional to 53,638.36, 74,029.74 and 29,772.70 is: 41,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.36 : 74,029.74 = 29,772.70 : x
  2. Step 2: Convert to fraction form
    53,638.36/74,029.74 = 29,772.70/x
  3. Step 3: Cross multiply
    53,638.36x = 74,029.74 × 29,772.70
  4. Step 4: Simplify right side
    53,638.36x = 2,204,065,240.10
  5. Step 5: Solve for x
    x = 2,204,065,240.10/53,638.36
  6. Step 6: Final answer
    x = 41,091.21

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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.