Home / 36,935.70-55,412.66-10,640.21

Finding the Fourth Proportional to 36,935.70, 55,412.66 and 10,640.21

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Solution

The fourth proportional to 36,935.70, 55,412.66 and 10,640.21 is: 15,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,935.70 : 55,412.66 = 10,640.21 : x
  2. Step 2: Convert to fraction form
    36,935.70/55,412.66 = 10,640.21/x
  3. Step 3: Cross multiply
    36,935.70x = 55,412.66 × 10,640.21
  4. Step 4: Simplify right side
    36,935.70x = 589,602,340.44
  5. Step 5: Solve for x
    x = 589,602,340.44/36,935.70
  6. Step 6: Final answer
    x = 15,962.94

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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.