Home / 30,354.57-45,500.67-11,629.53

Finding the Fourth Proportional to 30,354.57, 45,500.67 and 11,629.53

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Solution

The fourth proportional to 30,354.57, 45,500.67 and 11,629.53 is: 17,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.57 : 45,500.67 = 11,629.53 : x
  2. Step 2: Convert to fraction form
    30,354.57/45,500.67 = 11,629.53/x
  3. Step 3: Cross multiply
    30,354.57x = 45,500.67 × 11,629.53
  4. Step 4: Simplify right side
    30,354.57x = 529,151,406.79
  5. Step 5: Solve for x
    x = 529,151,406.79/30,354.57
  6. Step 6: Final answer
    x = 17,432.35

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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.