Home / 38,728.29-53,096.95-38,028.45

Finding the Fourth Proportional to 38,728.29, 53,096.95 and 38,028.45

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Solution

The fourth proportional to 38,728.29, 53,096.95 and 38,028.45 is: 52,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.29 : 53,096.95 = 38,028.45 : x
  2. Step 2: Convert to fraction form
    38,728.29/53,096.95 = 38,028.45/x
  3. Step 3: Cross multiply
    38,728.29x = 53,096.95 × 38,028.45
  4. Step 4: Simplify right side
    38,728.29x = 2,019,194,708.23
  5. Step 5: Solve for x
    x = 2,019,194,708.23/38,728.29
  6. Step 6: Final answer
    x = 52,137.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.