Home / 43,291.98-64,888.80-18,316.44

Finding the Fourth Proportional to 43,291.98, 64,888.80 and 18,316.44

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Solution

The fourth proportional to 43,291.98, 64,888.80 and 18,316.44 is: 27,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.98 : 64,888.80 = 18,316.44 : x
  2. Step 2: Convert to fraction form
    43,291.98/64,888.80 = 18,316.44/x
  3. Step 3: Cross multiply
    43,291.98x = 64,888.80 × 18,316.44
  4. Step 4: Simplify right side
    43,291.98x = 1,188,531,811.87
  5. Step 5: Solve for x
    x = 1,188,531,811.87/43,291.98
  6. Step 6: Final answer
    x = 27,453.86

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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.