Home / 38,659.67-53,351.64-36,888.20

Finding the Fourth Proportional to 38,659.67, 53,351.64 and 36,888.20

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Solution

The fourth proportional to 38,659.67, 53,351.64 and 36,888.20 is: 50,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.67 : 53,351.64 = 36,888.20 : x
  2. Step 2: Convert to fraction form
    38,659.67/53,351.64 = 36,888.20/x
  3. Step 3: Cross multiply
    38,659.67x = 53,351.64 × 36,888.20
  4. Step 4: Simplify right side
    38,659.67x = 1,968,045,699.89
  5. Step 5: Solve for x
    x = 1,968,045,699.89/38,659.67
  6. Step 6: Final answer
    x = 50,906.95

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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.