Home / 31,102.40-46,601.60-21,851.84

Finding the Fourth Proportional to 31,102.40, 46,601.60 and 21,851.84

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Solution

The fourth proportional to 31,102.40, 46,601.60 and 21,851.84 is: 32,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.40 : 46,601.60 = 21,851.84 : x
  2. Step 2: Convert to fraction form
    31,102.40/46,601.60 = 21,851.84/x
  3. Step 3: Cross multiply
    31,102.40x = 46,601.60 × 21,851.84
  4. Step 4: Simplify right side
    31,102.40x = 1,018,330,706.94
  5. Step 5: Solve for x
    x = 1,018,330,706.94/31,102.40
  6. Step 6: Final answer
    x = 32,741.23

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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.