Home / 45,381.06-68,078.88-19,093.32

Finding the Fourth Proportional to 45,381.06, 68,078.88 and 19,093.32

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Solution

The fourth proportional to 45,381.06, 68,078.88 and 19,093.32 is: 28,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381.06 : 68,078.88 = 19,093.32 : x
  2. Step 2: Convert to fraction form
    45,381.06/68,078.88 = 19,093.32/x
  3. Step 3: Cross multiply
    45,381.06x = 68,078.88 × 19,093.32
  4. Step 4: Simplify right side
    45,381.06x = 1,299,851,841.08
  5. Step 5: Solve for x
    x = 1,299,851,841.08/45,381.06
  6. Step 6: Final answer
    x = 28,643.05

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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.