Home / 37,009.02-51,072.36-20,876.28

Finding the Fourth Proportional to 37,009.02, 51,072.36 and 20,876.28

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Solution

The fourth proportional to 37,009.02, 51,072.36 and 20,876.28 is: 28,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,009.02 : 51,072.36 = 20,876.28 : x
  2. Step 2: Convert to fraction form
    37,009.02/51,072.36 = 20,876.28/x
  3. Step 3: Cross multiply
    37,009.02x = 51,072.36 × 20,876.28
  4. Step 4: Simplify right side
    37,009.02x = 1,066,200,887.62
  5. Step 5: Solve for x
    x = 1,066,200,887.62/37,009.02
  6. Step 6: Final answer
    x = 28,809.22

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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.