Home / 30,824.89-42,538.17-16,677.43

Finding the Fourth Proportional to 30,824.89, 42,538.17 and 16,677.43

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Solution

The fourth proportional to 30,824.89, 42,538.17 and 16,677.43 is: 23,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.89 : 42,538.17 = 16,677.43 : x
  2. Step 2: Convert to fraction form
    30,824.89/42,538.17 = 16,677.43/x
  3. Step 3: Cross multiply
    30,824.89x = 42,538.17 × 16,677.43
  4. Step 4: Simplify right side
    30,824.89x = 709,427,352.50
  5. Step 5: Solve for x
    x = 709,427,352.50/30,824.89
  6. Step 6: Final answer
    x = 23,014.76

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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.