Home / 30,611.49-42,232.99-20,007.27

Finding the Fourth Proportional to 30,611.49, 42,232.99 and 20,007.27

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Solution

The fourth proportional to 30,611.49, 42,232.99 and 20,007.27 is: 27,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.49 : 42,232.99 = 20,007.27 : x
  2. Step 2: Convert to fraction form
    30,611.49/42,232.99 = 20,007.27/x
  3. Step 3: Cross multiply
    30,611.49x = 42,232.99 × 20,007.27
  4. Step 4: Simplify right side
    30,611.49x = 844,966,833.84
  5. Step 5: Solve for x
    x = 844,966,833.84/30,611.49
  6. Step 6: Final answer
    x = 27,602.93

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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.