Home / 71,271.09-98,351.69-39,441.33

Finding the Fourth Proportional to 71,271.09, 98,351.69 and 39,441.33

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Solution

The fourth proportional to 71,271.09, 98,351.69 and 39,441.33 is: 54,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,271.09 : 98,351.69 = 39,441.33 : x
  2. Step 2: Convert to fraction form
    71,271.09/98,351.69 = 39,441.33/x
  3. Step 3: Cross multiply
    71,271.09x = 98,351.69 × 39,441.33
  4. Step 4: Simplify right side
    71,271.09x = 3,879,121,264.14
  5. Step 5: Solve for x
    x = 3,879,121,264.14/71,271.09
  6. Step 6: Final answer
    x = 54,427.70

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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.