Home / 43,229.23-64,838.37-13,650.05

Finding the Fourth Proportional to 43,229.23, 64,838.37 and 13,650.05

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Solution

The fourth proportional to 43,229.23, 64,838.37 and 13,650.05 is: 20,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,229.23 : 64,838.37 = 13,650.05 : x
  2. Step 2: Convert to fraction form
    43,229.23/64,838.37 = 13,650.05/x
  3. Step 3: Cross multiply
    43,229.23x = 64,838.37 × 13,650.05
  4. Step 4: Simplify right side
    43,229.23x = 885,046,992.42
  5. Step 5: Solve for x
    x = 885,046,992.42/43,229.23
  6. Step 6: Final answer
    x = 20,473.35

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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.