Home / 30,611.63-42,244.13-17,873.57

Finding the Fourth Proportional to 30,611.63, 42,244.13 and 17,873.57

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Solution

The fourth proportional to 30,611.63, 42,244.13 and 17,873.57 is: 24,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.63 : 42,244.13 = 17,873.57 : x
  2. Step 2: Convert to fraction form
    30,611.63/42,244.13 = 17,873.57/x
  3. Step 3: Cross multiply
    30,611.63x = 42,244.13 × 17,873.57
  4. Step 4: Simplify right side
    30,611.63x = 755,053,414.64
  5. Step 5: Solve for x
    x = 755,053,414.64/30,611.63
  6. Step 6: Final answer
    x = 24,665.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.