Home / 30,390.24-41,945.04-17,817.60

Finding the Fourth Proportional to 30,390.24, 41,945.04 and 17,817.60

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Solution

The fourth proportional to 30,390.24, 41,945.04 and 17,817.60 is: 24,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.24 : 41,945.04 = 17,817.60 : x
  2. Step 2: Convert to fraction form
    30,390.24/41,945.04 = 17,817.60/x
  3. Step 3: Cross multiply
    30,390.24x = 41,945.04 × 17,817.60
  4. Step 4: Simplify right side
    30,390.24x = 747,359,944.70
  5. Step 5: Solve for x
    x = 747,359,944.70/30,390.24
  6. Step 6: Final answer
    x = 24,592.10

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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.