Home / 31,157.82-46,736.28-14,508.54

Finding the Fourth Proportional to 31,157.82, 46,736.28 and 14,508.54

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Solution

The fourth proportional to 31,157.82, 46,736.28 and 14,508.54 is: 21,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.82 : 46,736.28 = 14,508.54 : x
  2. Step 2: Convert to fraction form
    31,157.82/46,736.28 = 14,508.54/x
  3. Step 3: Cross multiply
    31,157.82x = 46,736.28 × 14,508.54
  4. Step 4: Simplify right side
    31,157.82x = 678,075,187.83
  5. Step 5: Solve for x
    x = 678,075,187.83/31,157.82
  6. Step 6: Final answer
    x = 21,762.60

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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.