Home / 34,153.20-51,132.60-30,265.20

Finding the Fourth Proportional to 34,153.20, 51,132.60 and 30,265.20

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Solution

The fourth proportional to 34,153.20, 51,132.60 and 30,265.20 is: 45,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,153.20 : 51,132.60 = 30,265.20 : x
  2. Step 2: Convert to fraction form
    34,153.20/51,132.60 = 30,265.20/x
  3. Step 3: Cross multiply
    34,153.20x = 51,132.60 × 30,265.20
  4. Step 4: Simplify right side
    34,153.20x = 1,547,538,365.52
  5. Step 5: Solve for x
    x = 1,547,538,365.52/34,153.20
  6. Step 6: Final answer
    x = 45,311.67

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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.