Home / 37,621.47-51,918.21-20,627.34

Finding the Fourth Proportional to 37,621.47, 51,918.21 and 20,627.34

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Solution

The fourth proportional to 37,621.47, 51,918.21 and 20,627.34 is: 28,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.47 : 51,918.21 = 20,627.34 : x
  2. Step 2: Convert to fraction form
    37,621.47/51,918.21 = 20,627.34/x
  3. Step 3: Cross multiply
    37,621.47x = 51,918.21 × 20,627.34
  4. Step 4: Simplify right side
    37,621.47x = 1,070,934,569.86
  5. Step 5: Solve for x
    x = 1,070,934,569.86/37,621.47
  6. Step 6: Final answer
    x = 28,466.05

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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.