Home / 39,235.36-54,144.36-29,208.64

Finding the Fourth Proportional to 39,235.36, 54,144.36 and 29,208.64

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Solution

The fourth proportional to 39,235.36, 54,144.36 and 29,208.64 is: 40,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.36 : 54,144.36 = 29,208.64 : x
  2. Step 2: Convert to fraction form
    39,235.36/54,144.36 = 29,208.64/x
  3. Step 3: Cross multiply
    39,235.36x = 54,144.36 × 29,208.64
  4. Step 4: Simplify right side
    39,235.36x = 1,581,483,119.27
  5. Step 5: Solve for x
    x = 1,581,483,119.27/39,235.36
  6. Step 6: Final answer
    x = 40,307.60

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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.