Home / 36,172.98-49,925.70-21,835.17

Finding the Fourth Proportional to 36,172.98, 49,925.70 and 21,835.17

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Solution

The fourth proportional to 36,172.98, 49,925.70 and 21,835.17 is: 30,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.98 : 49,925.70 = 21,835.17 : x
  2. Step 2: Convert to fraction form
    36,172.98/49,925.70 = 21,835.17/x
  3. Step 3: Cross multiply
    36,172.98x = 49,925.70 × 21,835.17
  4. Step 4: Simplify right side
    36,172.98x = 1,090,136,146.87
  5. Step 5: Solve for x
    x = 1,090,136,146.87/36,172.98
  6. Step 6: Final answer
    x = 30,136.75

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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.