Home / 30,690.14-46,072.08-20,799.41

Finding the Fourth Proportional to 30,690.14, 46,072.08 and 20,799.41

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Solution

The fourth proportional to 30,690.14, 46,072.08 and 20,799.41 is: 31,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.14 : 46,072.08 = 20,799.41 : x
  2. Step 2: Convert to fraction form
    30,690.14/46,072.08 = 20,799.41/x
  3. Step 3: Cross multiply
    30,690.14x = 46,072.08 × 20,799.41
  4. Step 4: Simplify right side
    30,690.14x = 958,271,851.11
  5. Step 5: Solve for x
    x = 958,271,851.11/30,690.14
  6. Step 6: Final answer
    x = 31,224.10

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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.