Home / 53,173.08-79,787.43-34,448.31

Finding the Fourth Proportional to 53,173.08, 79,787.43 and 34,448.31

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Solution

The fourth proportional to 53,173.08, 79,787.43 and 34,448.31 is: 51,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173.08 : 79,787.43 = 34,448.31 : x
  2. Step 2: Convert to fraction form
    53,173.08/79,787.43 = 34,448.31/x
  3. Step 3: Cross multiply
    53,173.08x = 79,787.43 × 34,448.31
  4. Step 4: Simplify right side
    53,173.08x = 2,748,542,122.74
  5. Step 5: Solve for x
    x = 2,748,542,122.74/53,173.08
  6. Step 6: Final answer
    x = 51,690.48

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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.