Home / 45,153.03-67,732.80-15,570.44

Finding the Fourth Proportional to 45,153.03, 67,732.80 and 15,570.44

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Solution

The fourth proportional to 45,153.03, 67,732.80 and 15,570.44 is: 23,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,153.03 : 67,732.80 = 15,570.44 : x
  2. Step 2: Convert to fraction form
    45,153.03/67,732.80 = 15,570.44/x
  3. Step 3: Cross multiply
    45,153.03x = 67,732.80 × 15,570.44
  4. Step 4: Simplify right side
    45,153.03x = 1,054,629,420.58
  5. Step 5: Solve for x
    x = 1,054,629,420.58/45,153.03
  6. Step 6: Final answer
    x = 23,356.78

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1.5x scale

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.