Home / 30,666.20-42,317.44-17,237.27

Finding the Fourth Proportional to 30,666.20, 42,317.44 and 17,237.27

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Solution

The fourth proportional to 30,666.20, 42,317.44 and 17,237.27 is: 23,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666.20 : 42,317.44 = 17,237.27 : x
  2. Step 2: Convert to fraction form
    30,666.20/42,317.44 = 17,237.27/x
  3. Step 3: Cross multiply
    30,666.20x = 42,317.44 × 17,237.27
  4. Step 4: Simplify right side
    30,666.20x = 729,437,201.69
  5. Step 5: Solve for x
    x = 729,437,201.69/30,666.20
  6. Step 6: Final answer
    x = 23,786.36

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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.