Home / 30,741.48-46,045.98-20,826.36

Finding the Fourth Proportional to 30,741.48, 46,045.98 and 20,826.36

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Solution

The fourth proportional to 30,741.48, 46,045.98 and 20,826.36 is: 31,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741.48 : 46,045.98 = 20,826.36 : x
  2. Step 2: Convert to fraction form
    30,741.48/46,045.98 = 20,826.36/x
  3. Step 3: Cross multiply
    30,741.48x = 46,045.98 × 20,826.36
  4. Step 4: Simplify right side
    30,741.48x = 958,970,156.03
  5. Step 5: Solve for x
    x = 958,970,156.03/30,741.48
  6. Step 6: Final answer
    x = 31,194.66

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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.