Home / 30,893.02-42,811.78-30,302.26

Finding the Fourth Proportional to 30,893.02, 42,811.78 and 30,302.26

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Solution

The fourth proportional to 30,893.02, 42,811.78 and 30,302.26 is: 41,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.02 : 42,811.78 = 30,302.26 : x
  2. Step 2: Convert to fraction form
    30,893.02/42,811.78 = 30,302.26/x
  3. Step 3: Cross multiply
    30,893.02x = 42,811.78 × 30,302.26
  4. Step 4: Simplify right side
    30,893.02x = 1,297,293,688.62
  5. Step 5: Solve for x
    x = 1,297,293,688.62/30,893.02
  6. Step 6: Final answer
    x = 41,993.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.