Home / 45,199.82-67,711.47-21,473.60

Finding the Fourth Proportional to 45,199.82, 67,711.47 and 21,473.60

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Solution

The fourth proportional to 45,199.82, 67,711.47 and 21,473.60 is: 32,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199.82 : 67,711.47 = 21,473.60 : x
  2. Step 2: Convert to fraction form
    45,199.82/67,711.47 = 21,473.60/x
  3. Step 3: Cross multiply
    45,199.82x = 67,711.47 × 21,473.60
  4. Step 4: Simplify right side
    45,199.82x = 1,454,009,022.19
  5. Step 5: Solve for x
    x = 1,454,009,022.19/45,199.82
  6. Step 6: Final answer
    x = 32,168.47

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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.