Home / 34,205.20-51,210.60-30,317.20

Finding the Fourth Proportional to 34,205.20, 51,210.60 and 30,317.20

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Solution

The fourth proportional to 34,205.20, 51,210.60 and 30,317.20 is: 45,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205.20 : 51,210.60 = 30,317.20 : x
  2. Step 2: Convert to fraction form
    34,205.20/51,210.60 = 30,317.20/x
  3. Step 3: Cross multiply
    34,205.20x = 51,210.60 × 30,317.20
  4. Step 4: Simplify right side
    34,205.20x = 1,552,562,002.32
  5. Step 5: Solve for x
    x = 1,552,562,002.32/34,205.20
  6. Step 6: Final answer
    x = 45,389.65

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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.