Home / 31,107.06-46,647.30-11,860.20

Finding the Fourth Proportional to 31,107.06, 46,647.30 and 11,860.20

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Solution

The fourth proportional to 31,107.06, 46,647.30 and 11,860.20 is: 17,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.06 : 46,647.30 = 11,860.20 : x
  2. Step 2: Convert to fraction form
    31,107.06/46,647.30 = 11,860.20/x
  3. Step 3: Cross multiply
    31,107.06x = 46,647.30 × 11,860.20
  4. Step 4: Simplify right side
    31,107.06x = 553,246,307.46
  5. Step 5: Solve for x
    x = 553,246,307.46/31,107.06
  6. Step 6: Final answer
    x = 17,785.23

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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.