Home / 65,450.47-98,173.59-18,703.30

Finding the Fourth Proportional to 65,450.47, 98,173.59 and 18,703.30

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Solution

The fourth proportional to 65,450.47, 98,173.59 and 18,703.30 is: 28,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,450.47 : 98,173.59 = 18,703.30 : x
  2. Step 2: Convert to fraction form
    65,450.47/98,173.59 = 18,703.30/x
  3. Step 3: Cross multiply
    65,450.47x = 98,173.59 × 18,703.30
  4. Step 4: Simplify right side
    65,450.47x = 1,836,170,105.85
  5. Step 5: Solve for x
    x = 1,836,170,105.85/65,450.47
  6. Step 6: Final answer
    x = 28,054.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.