Home / 48,835.94-67,406.76-28,706.31

Finding the Fourth Proportional to 48,835.94, 67,406.76 and 28,706.31

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Solution

The fourth proportional to 48,835.94, 67,406.76 and 28,706.31 is: 39,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,835.94 : 67,406.76 = 28,706.31 : x
  2. Step 2: Convert to fraction form
    48,835.94/67,406.76 = 28,706.31/x
  3. Step 3: Cross multiply
    48,835.94x = 67,406.76 × 28,706.31
  4. Step 4: Simplify right side
    48,835.94x = 1,934,999,493.78
  5. Step 5: Solve for x
    x = 1,934,999,493.78/48,835.94
  6. Step 6: Final answer
    x = 39,622.45

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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.