Home / 37,214.28-51,356.29-20,218.86

Finding the Fourth Proportional to 37,214.28, 51,356.29 and 20,218.86

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Solution

The fourth proportional to 37,214.28, 51,356.29 and 20,218.86 is: 27,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,214.28 : 51,356.29 = 20,218.86 : x
  2. Step 2: Convert to fraction form
    37,214.28/51,356.29 = 20,218.86/x
  3. Step 3: Cross multiply
    37,214.28x = 51,356.29 × 20,218.86
  4. Step 4: Simplify right side
    37,214.28x = 1,038,365,637.63
  5. Step 5: Solve for x
    x = 1,038,365,637.63/37,214.28
  6. Step 6: Final answer
    x = 27,902.34

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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.