Home / 48,942.90-67,539.80-28,795.16

Finding the Fourth Proportional to 48,942.90, 67,539.80 and 28,795.16

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Solution

The fourth proportional to 48,942.90, 67,539.80 and 28,795.16 is: 39,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,942.90 : 67,539.80 = 28,795.16 : x
  2. Step 2: Convert to fraction form
    48,942.90/67,539.80 = 28,795.16/x
  3. Step 3: Cross multiply
    48,942.90x = 67,539.80 × 28,795.16
  4. Step 4: Simplify right side
    48,942.90x = 1,944,818,865.69
  5. Step 5: Solve for x
    x = 1,944,818,865.69/48,942.90
  6. Step 6: Final answer
    x = 39,736.49

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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.