Home / 36,088.50-49,802.13-20,172.61

Finding the Fourth Proportional to 36,088.50, 49,802.13 and 20,172.61

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Solution

The fourth proportional to 36,088.50, 49,802.13 and 20,172.61 is: 27,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,088.50 : 49,802.13 = 20,172.61 : x
  2. Step 2: Convert to fraction form
    36,088.50/49,802.13 = 20,172.61/x
  3. Step 3: Cross multiply
    36,088.50x = 49,802.13 × 20,172.61
  4. Step 4: Simplify right side
    36,088.50x = 1,004,638,821.15
  5. Step 5: Solve for x
    x = 1,004,638,821.15/36,088.50
  6. Step 6: Final answer
    x = 27,838.20

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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.