Home / 55,272.98-82,909.47-20,193.50

Finding the Fourth Proportional to 55,272.98, 82,909.47 and 20,193.50

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Solution

The fourth proportional to 55,272.98, 82,909.47 and 20,193.50 is: 30,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.98 : 82,909.47 = 20,193.50 : x
  2. Step 2: Convert to fraction form
    55,272.98/82,909.47 = 20,193.50/x
  3. Step 3: Cross multiply
    55,272.98x = 82,909.47 × 20,193.50
  4. Step 4: Simplify right side
    55,272.98x = 1,674,232,665.44
  5. Step 5: Solve for x
    x = 1,674,232,665.44/55,272.98
  6. Step 6: Final answer
    x = 30,290.25

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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.