Home / 49,947.50-68,929.53-28,726.74

Finding the Fourth Proportional to 49,947.50, 68,929.53 and 28,726.74

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Solution

The fourth proportional to 49,947.50, 68,929.53 and 28,726.74 is: 39,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,947.50 : 68,929.53 = 28,726.74 : x
  2. Step 2: Convert to fraction form
    49,947.50/68,929.53 = 28,726.74/x
  3. Step 3: Cross multiply
    49,947.50x = 68,929.53 × 28,726.74
  4. Step 4: Simplify right side
    49,947.50x = 1,980,120,686.63
  5. Step 5: Solve for x
    x = 1,980,120,686.63/49,947.50
  6. Step 6: Final answer
    x = 39,644.04

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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.