Home / 39,022.80-58,534.20-12,727.60

Finding the Fourth Proportional to 39,022.80, 58,534.20 and 12,727.60

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Solution

The fourth proportional to 39,022.80, 58,534.20 and 12,727.60 is: 19,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,022.80 : 58,534.20 = 12,727.60 : x
  2. Step 2: Convert to fraction form
    39,022.80/58,534.20 = 12,727.60/x
  3. Step 3: Cross multiply
    39,022.80x = 58,534.20 × 12,727.60
  4. Step 4: Simplify right side
    39,022.80x = 744,999,883.92
  5. Step 5: Solve for x
    x = 744,999,883.92/39,022.80
  6. Step 6: Final answer
    x = 19,091.40

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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.