Home / 30,824.15-42,537.29-16,677

Finding the Fourth Proportional to 30,824.15, 42,537.29 and 16,677

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Solution

The fourth proportional to 30,824.15, 42,537.29 and 16,677 is: 23,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.15 : 42,537.29 = 16,677 : x
  2. Step 2: Convert to fraction form
    30,824.15/42,537.29 = 16,677/x
  3. Step 3: Cross multiply
    30,824.15x = 42,537.29 × 16,677
  4. Step 4: Simplify right side
    30,824.15x = 709,394,301.95
  5. Step 5: Solve for x
    x = 709,394,301.95/30,824.15
  6. Step 6: Final answer
    x = 23,014.24

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1.5x scale

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.