Home / 31,005.97-46,506.45-9,940.36

Finding the Fourth Proportional to 31,005.97, 46,506.45 and 9,940.36

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Solution

The fourth proportional to 31,005.97, 46,506.45 and 9,940.36 is: 14,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005.97 : 46,506.45 = 9,940.36 : x
  2. Step 2: Convert to fraction form
    31,005.97/46,506.45 = 9,940.36/x
  3. Step 3: Cross multiply
    31,005.97x = 46,506.45 × 9,940.36
  4. Step 4: Simplify right side
    31,005.97x = 462,290,855.32
  5. Step 5: Solve for x
    x = 462,290,855.32/31,005.97
  6. Step 6: Final answer
    x = 14,909.74

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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.