Home / 48,669.49-67,157.79-28,521.76

Finding the Fourth Proportional to 48,669.49, 67,157.79 and 28,521.76

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Solution

The fourth proportional to 48,669.49, 67,157.79 and 28,521.76 is: 39,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,669.49 : 67,157.79 = 28,521.76 : x
  2. Step 2: Convert to fraction form
    48,669.49/67,157.79 = 28,521.76/x
  3. Step 3: Cross multiply
    48,669.49x = 67,157.79 × 28,521.76
  4. Step 4: Simplify right side
    48,669.49x = 1,915,458,032.72
  5. Step 5: Solve for x
    x = 1,915,458,032.72/48,669.49
  6. Step 6: Final answer
    x = 39,356.45

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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.