Home / 30,799.89-46,199.43-7,426.14

Finding the Fourth Proportional to 30,799.89, 46,199.43 and 7,426.14

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Solution

The fourth proportional to 30,799.89, 46,199.43 and 7,426.14 is: 11,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.89 : 46,199.43 = 7,426.14 : x
  2. Step 2: Convert to fraction form
    30,799.89/46,199.43 = 7,426.14/x
  3. Step 3: Cross multiply
    30,799.89x = 46,199.43 × 7,426.14
  4. Step 4: Simplify right side
    30,799.89x = 343,083,435.10
  5. Step 5: Solve for x
    x = 343,083,435.10/30,799.89
  6. Step 6: Final answer
    x = 11,139.11

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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.