Home / 31,087.40-46,575.29-18,893.52

Finding the Fourth Proportional to 31,087.40, 46,575.29 and 18,893.52

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Solution

The fourth proportional to 31,087.40, 46,575.29 and 18,893.52 is: 28,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,087.40 : 46,575.29 = 18,893.52 : x
  2. Step 2: Convert to fraction form
    31,087.40/46,575.29 = 18,893.52/x
  3. Step 3: Cross multiply
    31,087.40x = 46,575.29 × 18,893.52
  4. Step 4: Simplify right side
    31,087.40x = 879,971,220.35
  5. Step 5: Solve for x
    x = 879,971,220.35/31,087.40
  6. Step 6: Final answer
    x = 28,306.37

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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.