Home / 45,218.78-67,837.90-15,236

Finding the Fourth Proportional to 45,218.78, 67,837.90 and 15,236

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Solution

The fourth proportional to 45,218.78, 67,837.90 and 15,236 is: 22,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,218.78 : 67,837.90 = 15,236 : x
  2. Step 2: Convert to fraction form
    45,218.78/67,837.90 = 15,236/x
  3. Step 3: Cross multiply
    45,218.78x = 67,837.90 × 15,236
  4. Step 4: Simplify right side
    45,218.78x = 1,033,578,244.40
  5. Step 5: Solve for x
    x = 1,033,578,244.40/45,218.78
  6. Step 6: Final answer
    x = 22,857.28

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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.