Home / 39,588.09-54,599.72-30,659.73

Finding the Fourth Proportional to 39,588.09, 54,599.72 and 30,659.73

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Solution

The fourth proportional to 39,588.09, 54,599.72 and 30,659.73 is: 42,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,588.09 : 54,599.72 = 30,659.73 : x
  2. Step 2: Convert to fraction form
    39,588.09/54,599.72 = 30,659.73/x
  3. Step 3: Cross multiply
    39,588.09x = 54,599.72 × 30,659.73
  4. Step 4: Simplify right side
    39,588.09x = 1,674,012,519.98
  5. Step 5: Solve for x
    x = 1,674,012,519.98/39,588.09
  6. Step 6: Final answer
    x = 42,285.76

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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.