Home / 37,106.70-51,210.81-21,192.36

Finding the Fourth Proportional to 37,106.70, 51,210.81 and 21,192.36

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Solution

The fourth proportional to 37,106.70, 51,210.81 and 21,192.36 is: 29,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,106.70 : 51,210.81 = 21,192.36 : x
  2. Step 2: Convert to fraction form
    37,106.70/51,210.81 = 21,192.36/x
  3. Step 3: Cross multiply
    37,106.70x = 51,210.81 × 21,192.36
  4. Step 4: Simplify right side
    37,106.70x = 1,085,277,921.41
  5. Step 5: Solve for x
    x = 1,085,277,921.41/37,106.70
  6. Step 6: Final answer
    x = 29,247.49

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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.