Home / 37,628.10-51,926.76-20,861.10

Finding the Fourth Proportional to 37,628.10, 51,926.76 and 20,861.10

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Solution

The fourth proportional to 37,628.10, 51,926.76 and 20,861.10 is: 28,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628.10 : 51,926.76 = 20,861.10 : x
  2. Step 2: Convert to fraction form
    37,628.10/51,926.76 = 20,861.10/x
  3. Step 3: Cross multiply
    37,628.10x = 51,926.76 × 20,861.10
  4. Step 4: Simplify right side
    37,628.10x = 1,083,249,333.04
  5. Step 5: Solve for x
    x = 1,083,249,333.04/37,628.10
  6. Step 6: Final answer
    x = 28,788.31

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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.