Home / 37,646.94-51,946.87-21,728.42

Finding the Fourth Proportional to 37,646.94, 51,946.87 and 21,728.42

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Solution

The fourth proportional to 37,646.94, 51,946.87 and 21,728.42 is: 29,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,646.94 : 51,946.87 = 21,728.42 : x
  2. Step 2: Convert to fraction form
    37,646.94/51,946.87 = 21,728.42/x
  3. Step 3: Cross multiply
    37,646.94x = 51,946.87 × 21,728.42
  4. Step 4: Simplify right side
    37,646.94x = 1,128,723,409.05
  5. Step 5: Solve for x
    x = 1,128,723,409.05/37,646.94
  6. Step 6: Final answer
    x = 29,981.81

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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.