Home / 36,981.69-51,022.28-21,054.87

Finding the Fourth Proportional to 36,981.69, 51,022.28 and 21,054.87

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Solution

The fourth proportional to 36,981.69, 51,022.28 and 21,054.87 is: 29,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.69 : 51,022.28 = 21,054.87 : x
  2. Step 2: Convert to fraction form
    36,981.69/51,022.28 = 21,054.87/x
  3. Step 3: Cross multiply
    36,981.69x = 51,022.28 × 21,054.87
  4. Step 4: Simplify right side
    36,981.69x = 1,074,267,367.23
  5. Step 5: Solve for x
    x = 1,074,267,367.23/36,981.69
  6. Step 6: Final answer
    x = 29,048.63

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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.