Home / 30,541.25-45,795.23-9,190.85

Finding the Fourth Proportional to 30,541.25, 45,795.23 and 9,190.85

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Solution

The fourth proportional to 30,541.25, 45,795.23 and 9,190.85 is: 13,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541.25 : 45,795.23 = 9,190.85 : x
  2. Step 2: Convert to fraction form
    30,541.25/45,795.23 = 9,190.85/x
  3. Step 3: Cross multiply
    30,541.25x = 45,795.23 × 9,190.85
  4. Step 4: Simplify right side
    30,541.25x = 420,897,158.18
  5. Step 5: Solve for x
    x = 420,897,158.18/30,541.25
  6. Step 6: Final answer
    x = 13,781.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.