Home / 31,123.80-46,657.58-11,388.60

Finding the Fourth Proportional to 31,123.80, 46,657.58 and 11,388.60

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Solution

The fourth proportional to 31,123.80, 46,657.58 and 11,388.60 is: 17,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,123.80 : 46,657.58 = 11,388.60 : x
  2. Step 2: Convert to fraction form
    31,123.80/46,657.58 = 11,388.60/x
  3. Step 3: Cross multiply
    31,123.80x = 46,657.58 × 11,388.60
  4. Step 4: Simplify right side
    31,123.80x = 531,364,515.59
  5. Step 5: Solve for x
    x = 531,364,515.59/31,123.80
  6. Step 6: Final answer
    x = 17,072.61

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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.