Home / 30,023.55-45,035.31-7,836.72

Finding the Fourth Proportional to 30,023.55, 45,035.31 and 7,836.72

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Solution

The fourth proportional to 30,023.55, 45,035.31 and 7,836.72 is: 11,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.55 : 45,035.31 = 7,836.72 : x
  2. Step 2: Convert to fraction form
    30,023.55/45,035.31 = 7,836.72/x
  3. Step 3: Cross multiply
    30,023.55x = 45,035.31 × 7,836.72
  4. Step 4: Simplify right side
    30,023.55x = 352,929,114.58
  5. Step 5: Solve for x
    x = 352,929,114.58/30,023.55
  6. Step 6: Final answer
    x = 11,755.08

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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.