Home / 38,686.23-53,039.32-37,986.39

Finding the Fourth Proportional to 38,686.23, 53,039.32 and 37,986.39

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Solution

The fourth proportional to 38,686.23, 53,039.32 and 37,986.39 is: 52,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.23 : 53,039.32 = 37,986.39 : x
  2. Step 2: Convert to fraction form
    38,686.23/53,039.32 = 37,986.39/x
  3. Step 3: Cross multiply
    38,686.23x = 53,039.32 × 37,986.39
  4. Step 4: Simplify right side
    38,686.23x = 2,014,772,199.89
  5. Step 5: Solve for x
    x = 2,014,772,199.89/38,686.23
  6. Step 6: Final answer
    x = 52,079.83

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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.