Home / 36,981.57-51,022.10-21,054.75

Finding the Fourth Proportional to 36,981.57, 51,022.10 and 21,054.75

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Solution

The fourth proportional to 36,981.57, 51,022.10 and 21,054.75 is: 29,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.57 : 51,022.10 = 21,054.75 : x
  2. Step 2: Convert to fraction form
    36,981.57/51,022.10 = 21,054.75/x
  3. Step 3: Cross multiply
    36,981.57x = 51,022.10 × 21,054.75
  4. Step 4: Simplify right side
    36,981.57x = 1,074,257,559.98
  5. Step 5: Solve for x
    x = 1,074,257,559.98/36,981.57
  6. Step 6: Final answer
    x = 29,048.46

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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.