Home / 43,354.50-65,030.30-18,378.48

Finding the Fourth Proportional to 43,354.50, 65,030.30 and 18,378.48

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Solution

The fourth proportional to 43,354.50, 65,030.30 and 18,378.48 is: 27,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.50 : 65,030.30 = 18,378.48 : x
  2. Step 2: Convert to fraction form
    43,354.50/65,030.30 = 18,378.48/x
  3. Step 3: Cross multiply
    43,354.50x = 65,030.30 × 18,378.48
  4. Step 4: Simplify right side
    43,354.50x = 1,195,158,067.94
  5. Step 5: Solve for x
    x = 1,195,158,067.94/43,354.50
  6. Step 6: Final answer
    x = 27,567.11

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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.