Home / 35,340.25-48,766.50-20,802.90

Finding the Fourth Proportional to 35,340.25, 48,766.50 and 20,802.90

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Solution

The fourth proportional to 35,340.25, 48,766.50 and 20,802.90 is: 28,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.25 : 48,766.50 = 20,802.90 : x
  2. Step 2: Convert to fraction form
    35,340.25/48,766.50 = 20,802.90/x
  3. Step 3: Cross multiply
    35,340.25x = 48,766.50 × 20,802.90
  4. Step 4: Simplify right side
    35,340.25x = 1,014,484,622.85
  5. Step 5: Solve for x
    x = 1,014,484,622.85/35,340.25
  6. Step 6: Final answer
    x = 28,706.21

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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.