Home / 65,518.73-98,277.55-18,771.65

Finding the Fourth Proportional to 65,518.73, 98,277.55 and 18,771.65

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Solution

The fourth proportional to 65,518.73, 98,277.55 and 18,771.65 is: 28,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,518.73 : 98,277.55 = 18,771.65 : x
  2. Step 2: Convert to fraction form
    65,518.73/98,277.55 = 18,771.65/x
  3. Step 3: Cross multiply
    65,518.73x = 98,277.55 × 18,771.65
  4. Step 4: Simplify right side
    65,518.73x = 1,844,831,771.46
  5. Step 5: Solve for x
    x = 1,844,831,771.46/65,518.73
  6. Step 6: Final answer
    x = 28,157.32

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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.