Home / 34,990.16-48,281.55-20,650.59

Finding the Fourth Proportional to 34,990.16, 48,281.55 and 20,650.59

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Solution

The fourth proportional to 34,990.16, 48,281.55 and 20,650.59 is: 28,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.16 : 48,281.55 = 20,650.59 : x
  2. Step 2: Convert to fraction form
    34,990.16/48,281.55 = 20,650.59/x
  3. Step 3: Cross multiply
    34,990.16x = 48,281.55 × 20,650.59
  4. Step 4: Simplify right side
    34,990.16x = 997,042,321.28
  5. Step 5: Solve for x
    x = 997,042,321.28/34,990.16
  6. Step 6: Final answer
    x = 28,494.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.