Home / 71,232.36-98,300.16-39,400.08

Finding the Fourth Proportional to 71,232.36, 98,300.16 and 39,400.08

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Solution

The fourth proportional to 71,232.36, 98,300.16 and 39,400.08 is: 54,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,232.36 : 98,300.16 = 39,400.08 : x
  2. Step 2: Convert to fraction form
    71,232.36/98,300.16 = 39,400.08/x
  3. Step 3: Cross multiply
    71,232.36x = 98,300.16 × 39,400.08
  4. Step 4: Simplify right side
    71,232.36x = 3,873,034,168.01
  5. Step 5: Solve for x
    x = 3,873,034,168.01/71,232.36
  6. Step 6: Final answer
    x = 54,371.84

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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.