Home / 65,380.64-98,070.42-18,633.64

Finding the Fourth Proportional to 65,380.64, 98,070.42 and 18,633.64

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Solution

The fourth proportional to 65,380.64, 98,070.42 and 18,633.64 is: 27,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,380.64 : 98,070.42 = 18,633.64 : x
  2. Step 2: Convert to fraction form
    65,380.64/98,070.42 = 18,633.64/x
  3. Step 3: Cross multiply
    65,380.64x = 98,070.42 × 18,633.64
  4. Step 4: Simplify right side
    65,380.64x = 1,827,408,900.93
  5. Step 5: Solve for x
    x = 1,827,408,900.93/65,380.64
  6. Step 6: Final answer
    x = 27,950.31

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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.