Home / 49,929.60-74,980.80-26,601.60

Finding the Fourth Proportional to 49,929.60, 74,980.80 and 26,601.60

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Solution

The fourth proportional to 49,929.60, 74,980.80 and 26,601.60 is: 39,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,929.60 : 74,980.80 = 26,601.60 : x
  2. Step 2: Convert to fraction form
    49,929.60/74,980.80 = 26,601.60/x
  3. Step 3: Cross multiply
    49,929.60x = 74,980.80 × 26,601.60
  4. Step 4: Simplify right side
    49,929.60x = 1,994,609,249.28
  5. Step 5: Solve for x
    x = 1,994,609,249.28/49,929.60
  6. Step 6: Final answer
    x = 39,948.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.