Home / 35,157.66-48,518.91-20,052.78

Finding the Fourth Proportional to 35,157.66, 48,518.91 and 20,052.78

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Solution

The fourth proportional to 35,157.66, 48,518.91 and 20,052.78 is: 27,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.66 : 48,518.91 = 20,052.78 : x
  2. Step 2: Convert to fraction form
    35,157.66/48,518.91 = 20,052.78/x
  3. Step 3: Cross multiply
    35,157.66x = 48,518.91 × 20,052.78
  4. Step 4: Simplify right side
    35,157.66x = 972,939,028.07
  5. Step 5: Solve for x
    x = 972,939,028.07/35,157.66
  6. Step 6: Final answer
    x = 27,673.60

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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.