Home / 36,088.75-49,802.48-20,172.86

Finding the Fourth Proportional to 36,088.75, 49,802.48 and 20,172.86

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Solution

The fourth proportional to 36,088.75, 49,802.48 and 20,172.86 is: 27,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,088.75 : 49,802.48 = 20,172.86 : x
  2. Step 2: Convert to fraction form
    36,088.75/49,802.48 = 20,172.86/x
  3. Step 3: Cross multiply
    36,088.75x = 49,802.48 × 20,172.86
  4. Step 4: Simplify right side
    36,088.75x = 1,004,658,456.69
  5. Step 5: Solve for x
    x = 1,004,658,456.69/36,088.75
  6. Step 6: Final answer
    x = 27,838.55

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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.