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Finding the Fourth Proportional to 31,075.41, 46,605.24 and 8,888.88

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Solution

The fourth proportional to 31,075.41, 46,605.24 and 8,888.88 is: 13,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.41 : 46,605.24 = 8,888.88 : x
  2. Step 2: Convert to fraction form
    31,075.41/46,605.24 = 8,888.88/x
  3. Step 3: Cross multiply
    31,075.41x = 46,605.24 × 8,888.88
  4. Step 4: Simplify right side
    31,075.41x = 414,268,385.73
  5. Step 5: Solve for x
    x = 414,268,385.73/31,075.41
  6. Step 6: Final answer
    x = 13,331.07

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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.