Home / 31,205.88-46,813.24-10,139.18

Finding the Fourth Proportional to 31,205.88, 46,813.24 and 10,139.18

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Solution

The fourth proportional to 31,205.88, 46,813.24 and 10,139.18 is: 15,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.88 : 46,813.24 = 10,139.18 : x
  2. Step 2: Convert to fraction form
    31,205.88/46,813.24 = 10,139.18/x
  3. Step 3: Cross multiply
    31,205.88x = 46,813.24 × 10,139.18
  4. Step 4: Simplify right side
    31,205.88x = 474,647,866.74
  5. Step 5: Solve for x
    x = 474,647,866.74/31,205.88
  6. Step 6: Final answer
    x = 15,210.21

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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.