Home / 40,146.58-60,328.82-21,439.63

Finding the Fourth Proportional to 40,146.58, 60,328.82 and 21,439.63

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Solution

The fourth proportional to 40,146.58, 60,328.82 and 21,439.63 is: 32,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.58 : 60,328.82 = 21,439.63 : x
  2. Step 2: Convert to fraction form
    40,146.58/60,328.82 = 21,439.63/x
  3. Step 3: Cross multiply
    40,146.58x = 60,328.82 × 21,439.63
  4. Step 4: Simplify right side
    40,146.58x = 1,293,427,579.14
  5. Step 5: Solve for x
    x = 1,293,427,579.14/40,146.58
  6. Step 6: Final answer
    x = 32,217.63

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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.