Home / 38,485.49-53,146.65-36,388.82

Finding the Fourth Proportional to 38,485.49, 53,146.65 and 36,388.82

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Solution

The fourth proportional to 38,485.49, 53,146.65 and 36,388.82 is: 50,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,485.49 : 53,146.65 = 36,388.82 : x
  2. Step 2: Convert to fraction form
    38,485.49/53,146.65 = 36,388.82/x
  3. Step 3: Cross multiply
    38,485.49x = 53,146.65 × 36,388.82
  4. Step 4: Simplify right side
    38,485.49x = 1,933,943,705.69
  5. Step 5: Solve for x
    x = 1,933,943,705.69/38,485.49
  6. Step 6: Final answer
    x = 50,251.25

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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.