Home / 52,734.12-79,111.77-19,454.36

Finding the Fourth Proportional to 52,734.12, 79,111.77 and 19,454.36

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Solution

The fourth proportional to 52,734.12, 79,111.77 and 19,454.36 is: 29,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,734.12 : 79,111.77 = 19,454.36 : x
  2. Step 2: Convert to fraction form
    52,734.12/79,111.77 = 19,454.36/x
  3. Step 3: Cross multiply
    52,734.12x = 79,111.77 × 19,454.36
  4. Step 4: Simplify right side
    52,734.12x = 1,539,068,978.64
  5. Step 5: Solve for x
    x = 1,539,068,978.64/52,734.12
  6. Step 6: Final answer
    x = 29,185.45

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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.