Home / 49,048.30-67,686.02-28,906.04

Finding the Fourth Proportional to 49,048.30, 67,686.02 and 28,906.04

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Solution

The fourth proportional to 49,048.30, 67,686.02 and 28,906.04 is: 39,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,048.30 : 67,686.02 = 28,906.04 : x
  2. Step 2: Convert to fraction form
    49,048.30/67,686.02 = 28,906.04/x
  3. Step 3: Cross multiply
    49,048.30x = 67,686.02 × 28,906.04
  4. Step 4: Simplify right side
    49,048.30x = 1,956,534,801.56
  5. Step 5: Solve for x
    x = 1,956,534,801.56/49,048.30
  6. Step 6: Final answer
    x = 39,889.96

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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.