Home / 30,439.27-42,006.09-17,010.52

Finding the Fourth Proportional to 30,439.27, 42,006.09 and 17,010.52

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Solution

The fourth proportional to 30,439.27, 42,006.09 and 17,010.52 is: 23,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439.27 : 42,006.09 = 17,010.52 : x
  2. Step 2: Convert to fraction form
    30,439.27/42,006.09 = 17,010.52/x
  3. Step 3: Cross multiply
    30,439.27x = 42,006.09 × 17,010.52
  4. Step 4: Simplify right side
    30,439.27x = 714,545,485.60
  5. Step 5: Solve for x
    x = 714,545,485.60/30,439.27
  6. Step 6: Final answer
    x = 23,474.46

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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.