Home / 36,307.71-50,098.32-20,172.45

Finding the Fourth Proportional to 36,307.71, 50,098.32 and 20,172.45

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Solution

The fourth proportional to 36,307.71, 50,098.32 and 20,172.45 is: 27,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,307.71 : 50,098.32 = 20,172.45 : x
  2. Step 2: Convert to fraction form
    36,307.71/50,098.32 = 20,172.45/x
  3. Step 3: Cross multiply
    36,307.71x = 50,098.32 × 20,172.45
  4. Step 4: Simplify right side
    36,307.71x = 1,010,605,855.28
  5. Step 5: Solve for x
    x = 1,010,605,855.28/36,307.71
  6. Step 6: Final answer
    x = 27,834.47

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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.