Home / 34,069.59-47,005.08-20,636.55

Finding the Fourth Proportional to 34,069.59, 47,005.08 and 20,636.55

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Solution

The fourth proportional to 34,069.59, 47,005.08 and 20,636.55 is: 28,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,069.59 : 47,005.08 = 20,636.55 : x
  2. Step 2: Convert to fraction form
    34,069.59/47,005.08 = 20,636.55/x
  3. Step 3: Cross multiply
    34,069.59x = 47,005.08 × 20,636.55
  4. Step 4: Simplify right side
    34,069.59x = 970,022,683.67
  5. Step 5: Solve for x
    x = 970,022,683.67/34,069.59
  6. Step 6: Final answer
    x = 28,471.80

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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.