Home / 48,653.48-67,148.26-28,518.30

Finding the Fourth Proportional to 48,653.48, 67,148.26 and 28,518.30

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Solution

The fourth proportional to 48,653.48, 67,148.26 and 28,518.30 is: 39,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,653.48 : 67,148.26 = 28,518.30 : x
  2. Step 2: Convert to fraction form
    48,653.48/67,148.26 = 28,518.30/x
  3. Step 3: Cross multiply
    48,653.48x = 67,148.26 × 28,518.30
  4. Step 4: Simplify right side
    48,653.48x = 1,914,954,151.86
  5. Step 5: Solve for x
    x = 1,914,954,151.86/48,653.48
  6. Step 6: Final answer
    x = 39,359.04

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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.