Home / 34,319.20-51,435.60-30,431.20

Finding the Fourth Proportional to 34,319.20, 51,435.60 and 30,431.20

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Solution

The fourth proportional to 34,319.20, 51,435.60 and 30,431.20 is: 45,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,319.20 : 51,435.60 = 30,431.20 : x
  2. Step 2: Convert to fraction form
    34,319.20/51,435.60 = 30,431.20/x
  3. Step 3: Cross multiply
    34,319.20x = 51,435.60 × 30,431.20
  4. Step 4: Simplify right side
    34,319.20x = 1,565,247,030.72
  5. Step 5: Solve for x
    x = 1,565,247,030.72/34,319.20
  6. Step 6: Final answer
    x = 45,608.49

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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.