Home / 49,928.10-68,901.24-28,416.79

Finding the Fourth Proportional to 49,928.10, 68,901.24 and 28,416.79

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Solution

The fourth proportional to 49,928.10, 68,901.24 and 28,416.79 is: 39,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928.10 : 68,901.24 = 28,416.79 : x
  2. Step 2: Convert to fraction form
    49,928.10/68,901.24 = 28,416.79/x
  3. Step 3: Cross multiply
    49,928.10x = 68,901.24 × 28,416.79
  4. Step 4: Simplify right side
    49,928.10x = 1,957,952,088.26
  5. Step 5: Solve for x
    x = 1,957,952,088.26/49,928.10
  6. Step 6: Final answer
    x = 39,215.44

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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.