Home / 30,723.18-46,077.48-8,537.28

Finding the Fourth Proportional to 30,723.18, 46,077.48 and 8,537.28

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Solution

The fourth proportional to 30,723.18, 46,077.48 and 8,537.28 is: 12,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.18 : 46,077.48 = 8,537.28 : x
  2. Step 2: Convert to fraction form
    30,723.18/46,077.48 = 8,537.28/x
  3. Step 3: Cross multiply
    30,723.18x = 46,077.48 × 8,537.28
  4. Step 4: Simplify right side
    30,723.18x = 393,376,348.45
  5. Step 5: Solve for x
    x = 393,376,348.45/30,723.18
  6. Step 6: Final answer
    x = 12,803.89

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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.