Home / 45,820.89-68,734.52-19,156.80

Finding the Fourth Proportional to 45,820.89, 68,734.52 and 19,156.80

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Solution

The fourth proportional to 45,820.89, 68,734.52 and 19,156.80 is: 28,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.89 : 68,734.52 = 19,156.80 : x
  2. Step 2: Convert to fraction form
    45,820.89/68,734.52 = 19,156.80/x
  3. Step 3: Cross multiply
    45,820.89x = 68,734.52 × 19,156.80
  4. Step 4: Simplify right side
    45,820.89x = 1,316,733,356.95
  5. Step 5: Solve for x
    x = 1,316,733,356.95/45,820.89
  6. Step 6: Final answer
    x = 28,736.53

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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.