Home / 43,213.51-64,820.28-13,633.66

Finding the Fourth Proportional to 43,213.51, 64,820.28 and 13,633.66

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Solution

The fourth proportional to 43,213.51, 64,820.28 and 13,633.66 is: 20,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.51 : 64,820.28 = 13,633.66 : x
  2. Step 2: Convert to fraction form
    43,213.51/64,820.28 = 13,633.66/x
  3. Step 3: Cross multiply
    43,213.51x = 64,820.28 × 13,633.66
  4. Step 4: Simplify right side
    43,213.51x = 883,737,658.62
  5. Step 5: Solve for x
    x = 883,737,658.62/43,213.51
  6. Step 6: Final answer
    x = 20,450.49

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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.