Home / 37,106.64-51,208.47-21,190.80

Finding the Fourth Proportional to 37,106.64, 51,208.47 and 21,190.80

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Solution

The fourth proportional to 37,106.64, 51,208.47 and 21,190.80 is: 29,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,106.64 : 51,208.47 = 21,190.80 : x
  2. Step 2: Convert to fraction form
    37,106.64/51,208.47 = 21,190.80/x
  3. Step 3: Cross multiply
    37,106.64x = 51,208.47 × 21,190.80
  4. Step 4: Simplify right side
    37,106.64x = 1,085,148,446.08
  5. Step 5: Solve for x
    x = 1,085,148,446.08/37,106.64
  6. Step 6: Final answer
    x = 29,244.05

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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.