Home / 45,253.95-67,907.39-18,956.49

Finding the Fourth Proportional to 45,253.95, 67,907.39 and 18,956.49

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Solution

The fourth proportional to 45,253.95, 67,907.39 and 18,956.49 is: 28,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253.95 : 67,907.39 = 18,956.49 : x
  2. Step 2: Convert to fraction form
    45,253.95/67,907.39 = 18,956.49/x
  3. Step 3: Cross multiply
    45,253.95x = 67,907.39 × 18,956.49
  4. Step 4: Simplify right side
    45,253.95x = 1,287,285,664.68
  5. Step 5: Solve for x
    x = 1,287,285,664.68/45,253.95
  6. Step 6: Final answer
    x = 28,445.82

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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.