Home / 31,204.55-46,806.83-10,428.05

Finding the Fourth Proportional to 31,204.55, 46,806.83 and 10,428.05

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Solution

The fourth proportional to 31,204.55, 46,806.83 and 10,428.05 is: 15,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.55 : 46,806.83 = 10,428.05 : x
  2. Step 2: Convert to fraction form
    31,204.55/46,806.83 = 10,428.05/x
  3. Step 3: Cross multiply
    31,204.55x = 46,806.83 × 10,428.05
  4. Step 4: Simplify right side
    31,204.55x = 488,104,067.56
  5. Step 5: Solve for x
    x = 488,104,067.56/31,204.55
  6. Step 6: Final answer
    x = 15,642.08

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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.