Home / 34,770.20-52,155.30-20,946.20

Finding the Fourth Proportional to 34,770.20, 52,155.30 and 20,946.20

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Solution

The fourth proportional to 34,770.20, 52,155.30 and 20,946.20 is: 31,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.20 : 52,155.30 = 20,946.20 : x
  2. Step 2: Convert to fraction form
    34,770.20/52,155.30 = 20,946.20/x
  3. Step 3: Cross multiply
    34,770.20x = 52,155.30 × 20,946.20
  4. Step 4: Simplify right side
    34,770.20x = 1,092,455,344.86
  5. Step 5: Solve for x
    x = 1,092,455,344.86/34,770.20
  6. Step 6: Final answer
    x = 31,419.30

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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.