Home / 36,088.13-49,801.69-20,172.57

Finding the Fourth Proportional to 36,088.13, 49,801.69 and 20,172.57

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Solution

The fourth proportional to 36,088.13, 49,801.69 and 20,172.57 is: 27,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,088.13 : 49,801.69 = 20,172.57 : x
  2. Step 2: Convert to fraction form
    36,088.13/49,801.69 = 20,172.57/x
  3. Step 3: Cross multiply
    36,088.13x = 49,801.69 × 20,172.57
  4. Step 4: Simplify right side
    36,088.13x = 1,004,628,027.21
  5. Step 5: Solve for x
    x = 1,004,628,027.21/36,088.13
  6. Step 6: Final answer
    x = 27,838.18

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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.