Home / 36,088.21-49,801.80-20,172.67

Finding the Fourth Proportional to 36,088.21, 49,801.80 and 20,172.67

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Solution

The fourth proportional to 36,088.21, 49,801.80 and 20,172.67 is: 27,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,088.21 : 49,801.80 = 20,172.67 : x
  2. Step 2: Convert to fraction form
    36,088.21/49,801.80 = 20,172.67/x
  3. Step 3: Cross multiply
    36,088.21x = 49,801.80 × 20,172.67
  4. Step 4: Simplify right side
    36,088.21x = 1,004,635,276.81
  5. Step 5: Solve for x
    x = 1,004,635,276.81/36,088.21
  6. Step 6: Final answer
    x = 27,838.32

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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.