Home / 42,399.44-63,599.76-12,817.52

Finding the Fourth Proportional to 42,399.44, 63,599.76 and 12,817.52

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Solution

The fourth proportional to 42,399.44, 63,599.76 and 12,817.52 is: 19,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,399.44 : 63,599.76 = 12,817.52 : x
  2. Step 2: Convert to fraction form
    42,399.44/63,599.76 = 12,817.52/x
  3. Step 3: Cross multiply
    42,399.44x = 63,599.76 × 12,817.52
  4. Step 4: Simplify right side
    42,399.44x = 815,191,195.80
  5. Step 5: Solve for x
    x = 815,191,195.80/42,399.44
  6. Step 6: Final answer
    x = 19,226.46

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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.