Home / 30,654.85-42,303.31-17,228.37

Finding the Fourth Proportional to 30,654.85, 42,303.31 and 17,228.37

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Solution

The fourth proportional to 30,654.85, 42,303.31 and 17,228.37 is: 23,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.85 : 42,303.31 = 17,228.37 : x
  2. Step 2: Convert to fraction form
    30,654.85/42,303.31 = 17,228.37/x
  3. Step 3: Cross multiply
    30,654.85x = 42,303.31 × 17,228.37
  4. Step 4: Simplify right side
    30,654.85x = 728,817,170.40
  5. Step 5: Solve for x
    x = 728,817,170.40/30,654.85
  6. Step 6: Final answer
    x = 23,774.94

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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.