Home / 30,829.11-46,241.76-18,985.13

Finding the Fourth Proportional to 30,829.11, 46,241.76 and 18,985.13

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Solution

The fourth proportional to 30,829.11, 46,241.76 and 18,985.13 is: 28,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.11 : 46,241.76 = 18,985.13 : x
  2. Step 2: Convert to fraction form
    30,829.11/46,241.76 = 18,985.13/x
  3. Step 3: Cross multiply
    30,829.11x = 46,241.76 × 18,985.13
  4. Step 4: Simplify right side
    30,829.11x = 877,906,045.14
  5. Step 5: Solve for x
    x = 877,906,045.14/30,829.11
  6. Step 6: Final answer
    x = 28,476.53

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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.