Home / 45,323.96-67,962.57-20,342.59

Finding the Fourth Proportional to 45,323.96, 67,962.57 and 20,342.59

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Solution

The fourth proportional to 45,323.96, 67,962.57 and 20,342.59 is: 30,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,323.96 : 67,962.57 = 20,342.59 : x
  2. Step 2: Convert to fraction form
    45,323.96/67,962.57 = 20,342.59/x
  3. Step 3: Cross multiply
    45,323.96x = 67,962.57 × 20,342.59
  4. Step 4: Simplify right side
    45,323.96x = 1,382,534,450.67
  5. Step 5: Solve for x
    x = 1,382,534,450.67/45,323.96
  6. Step 6: Final answer
    x = 30,503.39

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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.