Home / 45,297.56-67,951.74-21,907.19

Finding the Fourth Proportional to 45,297.56, 67,951.74 and 21,907.19

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Solution

The fourth proportional to 45,297.56, 67,951.74 and 21,907.19 is: 32,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,297.56 : 67,951.74 = 21,907.19 : x
  2. Step 2: Convert to fraction form
    45,297.56/67,951.74 = 21,907.19/x
  3. Step 3: Cross multiply
    45,297.56x = 67,951.74 × 21,907.19
  4. Step 4: Simplify right side
    45,297.56x = 1,488,631,509.13
  5. Step 5: Solve for x
    x = 1,488,631,509.13/45,297.56
  6. Step 6: Final answer
    x = 32,863.39

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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.