Home / 30,824.60-42,537.90-16,677.44

Finding the Fourth Proportional to 30,824.60, 42,537.90 and 16,677.44

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Solution

The fourth proportional to 30,824.60, 42,537.90 and 16,677.44 is: 23,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.60 : 42,537.90 = 16,677.44 : x
  2. Step 2: Convert to fraction form
    30,824.60/42,537.90 = 16,677.44/x
  3. Step 3: Cross multiply
    30,824.60x = 42,537.90 × 16,677.44
  4. Step 4: Simplify right side
    30,824.60x = 709,423,274.98
  5. Step 5: Solve for x
    x = 709,423,274.98/30,824.60
  6. Step 6: Final answer
    x = 23,014.84

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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.