Home / 38,686.11-53,039.15-37,986.27

Finding the Fourth Proportional to 38,686.11, 53,039.15 and 37,986.27

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Solution

The fourth proportional to 38,686.11, 53,039.15 and 37,986.27 is: 52,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.11 : 53,039.15 = 37,986.27 : x
  2. Step 2: Convert to fraction form
    38,686.11/53,039.15 = 37,986.27/x
  3. Step 3: Cross multiply
    38,686.11x = 53,039.15 × 37,986.27
  4. Step 4: Simplify right side
    38,686.11x = 2,014,759,472.47
  5. Step 5: Solve for x
    x = 2,014,759,472.47/38,686.11
  6. Step 6: Final answer
    x = 52,079.66

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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.