Home / 39,399.75-54,364.23-23,485.68

Finding the Fourth Proportional to 39,399.75, 54,364.23 and 23,485.68

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Solution

The fourth proportional to 39,399.75, 54,364.23 and 23,485.68 is: 32,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.75 : 54,364.23 = 23,485.68 : x
  2. Step 2: Convert to fraction form
    39,399.75/54,364.23 = 23,485.68/x
  3. Step 3: Cross multiply
    39,399.75x = 54,364.23 × 23,485.68
  4. Step 4: Simplify right side
    39,399.75x = 1,276,780,909.23
  5. Step 5: Solve for x
    x = 1,276,780,909.23/39,399.75
  6. Step 6: Final answer
    x = 32,405.81

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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.