Home / 37,054.77-51,130.78-21,138.27

Finding the Fourth Proportional to 37,054.77, 51,130.78 and 21,138.27

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Solution

The fourth proportional to 37,054.77, 51,130.78 and 21,138.27 is: 29,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,054.77 : 51,130.78 = 21,138.27 : x
  2. Step 2: Convert to fraction form
    37,054.77/51,130.78 = 21,138.27/x
  3. Step 3: Cross multiply
    37,054.77x = 51,130.78 × 21,138.27
  4. Step 4: Simplify right side
    37,054.77x = 1,080,816,232.95
  5. Step 5: Solve for x
    x = 1,080,816,232.95/37,054.77
  6. Step 6: Final answer
    x = 29,168.07

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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.