Home / 37,155.90-51,274.33-20,160.18

Finding the Fourth Proportional to 37,155.90, 51,274.33 and 20,160.18

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Solution

The fourth proportional to 37,155.90, 51,274.33 and 20,160.18 is: 27,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.90 : 51,274.33 = 20,160.18 : x
  2. Step 2: Convert to fraction form
    37,155.90/51,274.33 = 20,160.18/x
  3. Step 3: Cross multiply
    37,155.90x = 51,274.33 × 20,160.18
  4. Step 4: Simplify right side
    37,155.90x = 1,033,699,671.78
  5. Step 5: Solve for x
    x = 1,033,699,671.78/37,155.90
  6. Step 6: Final answer
    x = 27,820.60

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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.