Home / 30,271.78-41,774.16-16,842.52

Finding the Fourth Proportional to 30,271.78, 41,774.16 and 16,842.52

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Solution

The fourth proportional to 30,271.78, 41,774.16 and 16,842.52 is: 23,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.78 : 41,774.16 = 16,842.52 : x
  2. Step 2: Convert to fraction form
    30,271.78/41,774.16 = 16,842.52/x
  3. Step 3: Cross multiply
    30,271.78x = 41,774.16 × 16,842.52
  4. Step 4: Simplify right side
    30,271.78x = 703,582,125.28
  5. Step 5: Solve for x
    x = 703,582,125.28/30,271.78
  6. Step 6: Final answer
    x = 23,242.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.