Home / 39,268.20-58,772.70-30,455.40

Finding the Fourth Proportional to 39,268.20, 58,772.70 and 30,455.40

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Solution

The fourth proportional to 39,268.20, 58,772.70 and 30,455.40 is: 45,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.20 : 58,772.70 = 30,455.40 : x
  2. Step 2: Convert to fraction form
    39,268.20/58,772.70 = 30,455.40/x
  3. Step 3: Cross multiply
    39,268.20x = 58,772.70 × 30,455.40
  4. Step 4: Simplify right side
    39,268.20x = 1,789,946,087.58
  5. Step 5: Solve for x
    x = 1,789,946,087.58/39,268.20
  6. Step 6: Final answer
    x = 45,582.59

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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.