Home / 39,399.76-54,364.22-23,485.69

Finding the Fourth Proportional to 39,399.76, 54,364.22 and 23,485.69

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Solution

The fourth proportional to 39,399.76, 54,364.22 and 23,485.69 is: 32,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.76 : 54,364.22 = 23,485.69 : x
  2. Step 2: Convert to fraction form
    39,399.76/54,364.22 = 23,485.69/x
  3. Step 3: Cross multiply
    39,399.76x = 54,364.22 × 23,485.69
  4. Step 4: Simplify right side
    39,399.76x = 1,276,781,218.01
  5. Step 5: Solve for x
    x = 1,276,781,218.01/39,399.76
  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.