Home / 64,571.23-89,107.72-35,890.16

Finding the Fourth Proportional to 64,571.23, 89,107.72 and 35,890.16

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Solution

The fourth proportional to 64,571.23, 89,107.72 and 35,890.16 is: 49,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,571.23 : 89,107.72 = 35,890.16 : x
  2. Step 2: Convert to fraction form
    64,571.23/89,107.72 = 35,890.16/x
  3. Step 3: Cross multiply
    64,571.23x = 89,107.72 × 35,890.16
  4. Step 4: Simplify right side
    64,571.23x = 3,198,090,645.56
  5. Step 5: Solve for x
    x = 3,198,090,645.56/64,571.23
  6. Step 6: Final answer
    x = 49,528.10

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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.