Home / 65,914.14-90,977.78-37,636.22

Finding the Fourth Proportional to 65,914.14, 90,977.78 and 37,636.22

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Solution

The fourth proportional to 65,914.14, 90,977.78 and 37,636.22 is: 51,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914.14 : 90,977.78 = 37,636.22 : x
  2. Step 2: Convert to fraction form
    65,914.14/90,977.78 = 37,636.22/x
  3. Step 3: Cross multiply
    65,914.14x = 90,977.78 × 37,636.22
  4. Step 4: Simplify right side
    65,914.14x = 3,424,059,743.19
  5. Step 5: Solve for x
    x = 3,424,059,743.19/65,914.14
  6. Step 6: Final answer
    x = 51,947.27

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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.