Home / 30,826.86-46,236.78-8,642.04

Finding the Fourth Proportional to 30,826.86, 46,236.78 and 8,642.04

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Solution

The fourth proportional to 30,826.86, 46,236.78 and 8,642.04 is: 12,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.86 : 46,236.78 = 8,642.04 : x
  2. Step 2: Convert to fraction form
    30,826.86/46,236.78 = 8,642.04/x
  3. Step 3: Cross multiply
    30,826.86x = 46,236.78 × 8,642.04
  4. Step 4: Simplify right side
    30,826.86x = 399,580,102.23
  5. Step 5: Solve for x
    x = 399,580,102.23/30,826.86
  6. Step 6: Final answer
    x = 12,962.08

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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.