Home / 39,235.36-54,108.12-30,268.72

Finding the Fourth Proportional to 39,235.36, 54,108.12 and 30,268.72

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Solution

The fourth proportional to 39,235.36, 54,108.12 and 30,268.72 is: 41,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.36 : 54,108.12 = 30,268.72 : x
  2. Step 2: Convert to fraction form
    39,235.36/54,108.12 = 30,268.72/x
  3. Step 3: Cross multiply
    39,235.36x = 54,108.12 × 30,268.72
  4. Step 4: Simplify right side
    39,235.36x = 1,637,783,534.01
  5. Step 5: Solve for x
    x = 1,637,783,534.01/39,235.36
  6. Step 6: Final answer
    x = 41,742.54

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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.