Home / 53,853.77-80,660.36-39,028.64

Finding the Fourth Proportional to 53,853.77, 80,660.36 and 39,028.64

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Solution

The fourth proportional to 53,853.77, 80,660.36 and 39,028.64 is: 58,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.77 : 80,660.36 = 39,028.64 : x
  2. Step 2: Convert to fraction form
    53,853.77/80,660.36 = 39,028.64/x
  3. Step 3: Cross multiply
    53,853.77x = 80,660.36 × 39,028.64
  4. Step 4: Simplify right side
    53,853.77x = 3,148,064,300.69
  5. Step 5: Solve for x
    x = 3,148,064,300.69/53,853.77
  6. Step 6: Final answer
    x = 58,455.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.