Home / 37,081.34-51,172.31-20,085.77

Finding the Fourth Proportional to 37,081.34, 51,172.31 and 20,085.77

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Solution

The fourth proportional to 37,081.34, 51,172.31 and 20,085.77 is: 27,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.34 : 51,172.31 = 20,085.77 : x
  2. Step 2: Convert to fraction form
    37,081.34/51,172.31 = 20,085.77/x
  3. Step 3: Cross multiply
    37,081.34x = 51,172.31 × 20,085.77
  4. Step 4: Simplify right side
    37,081.34x = 1,027,835,314.19
  5. Step 5: Solve for x
    x = 1,027,835,314.19/37,081.34
  6. Step 6: Final answer
    x = 27,718.39

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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.