Home / 37,678.28-51,995.94-21,762.32

Finding the Fourth Proportional to 37,678.28, 51,995.94 and 21,762.32

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Solution

The fourth proportional to 37,678.28, 51,995.94 and 21,762.32 is: 30,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,678.28 : 51,995.94 = 21,762.32 : x
  2. Step 2: Convert to fraction form
    37,678.28/51,995.94 = 21,762.32/x
  3. Step 3: Cross multiply
    37,678.28x = 51,995.94 × 21,762.32
  4. Step 4: Simplify right side
    37,678.28x = 1,131,552,284.98
  5. Step 5: Solve for x
    x = 1,131,552,284.98/37,678.28
  6. Step 6: Final answer
    x = 30,031.95

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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.