Home / 39,615.36-54,667.80-23,690.40

Finding the Fourth Proportional to 39,615.36, 54,667.80 and 23,690.40

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Solution

The fourth proportional to 39,615.36, 54,667.80 and 23,690.40 is: 32,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.36 : 54,667.80 = 23,690.40 : x
  2. Step 2: Convert to fraction form
    39,615.36/54,667.80 = 23,690.40/x
  3. Step 3: Cross multiply
    39,615.36x = 54,667.80 × 23,690.40
  4. Step 4: Simplify right side
    39,615.36x = 1,295,102,049.12
  5. Step 5: Solve for x
    x = 1,295,102,049.12/39,615.36
  6. Step 6: Final answer
    x = 32,691.92

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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.