Home / 34,708.38-47,892.15-20,558.94

Finding the Fourth Proportional to 34,708.38, 47,892.15 and 20,558.94

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Solution

The fourth proportional to 34,708.38, 47,892.15 and 20,558.94 is: 28,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,708.38 : 47,892.15 = 20,558.94 : x
  2. Step 2: Convert to fraction form
    34,708.38/47,892.15 = 20,558.94/x
  3. Step 3: Cross multiply
    34,708.38x = 47,892.15 × 20,558.94
  4. Step 4: Simplify right side
    34,708.38x = 984,611,838.32
  5. Step 5: Solve for x
    x = 984,611,838.32/34,708.38
  6. Step 6: Final answer
    x = 28,368.13

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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.