Home / 37,214.71-51,356.07-20,218.81

Finding the Fourth Proportional to 37,214.71, 51,356.07 and 20,218.81

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Solution

The fourth proportional to 37,214.71, 51,356.07 and 20,218.81 is: 27,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,214.71 : 51,356.07 = 20,218.81 : x
  2. Step 2: Convert to fraction form
    37,214.71/51,356.07 = 20,218.81/x
  3. Step 3: Cross multiply
    37,214.71x = 51,356.07 × 20,218.81
  4. Step 4: Simplify right side
    37,214.71x = 1,038,358,364.90
  5. Step 5: Solve for x
    x = 1,038,358,364.90/37,214.71
  6. Step 6: Final answer
    x = 27,901.83

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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.