Home / 43,814.94-65,718.72-18,853.98

Finding the Fourth Proportional to 43,814.94, 65,718.72 and 18,853.98

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Solution

The fourth proportional to 43,814.94, 65,718.72 and 18,853.98 is: 28,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,814.94 : 65,718.72 = 18,853.98 : x
  2. Step 2: Convert to fraction form
    43,814.94/65,718.72 = 18,853.98/x
  3. Step 3: Cross multiply
    43,814.94x = 65,718.72 × 18,853.98
  4. Step 4: Simplify right side
    43,814.94x = 1,239,059,432.51
  5. Step 5: Solve for x
    x = 1,239,059,432.51/43,814.94
  6. Step 6: Final answer
    x = 28,279.38

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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.