Home / 43,205.49-64,809.60-13,623.58

Finding the Fourth Proportional to 43,205.49, 64,809.60 and 13,623.58

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Solution

The fourth proportional to 43,205.49, 64,809.60 and 13,623.58 is: 20,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205.49 : 64,809.60 = 13,623.58 : x
  2. Step 2: Convert to fraction form
    43,205.49/64,809.60 = 13,623.58/x
  3. Step 3: Cross multiply
    43,205.49x = 64,809.60 × 13,623.58
  4. Step 4: Simplify right side
    43,205.49x = 882,938,770.37
  5. Step 5: Solve for x
    x = 882,938,770.37/43,205.49
  6. Step 6: Final answer
    x = 20,435.80

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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.