Home / 30,924.59-42,676.20-16,777.71

Finding the Fourth Proportional to 30,924.59, 42,676.20 and 16,777.71

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Solution

The fourth proportional to 30,924.59, 42,676.20 and 16,777.71 is: 23,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.59 : 42,676.20 = 16,777.71 : x
  2. Step 2: Convert to fraction form
    30,924.59/42,676.20 = 16,777.71/x
  3. Step 3: Cross multiply
    30,924.59x = 42,676.20 × 16,777.71
  4. Step 4: Simplify right side
    30,924.59x = 716,008,907.50
  5. Step 5: Solve for x
    x = 716,008,907.50/30,924.59
  6. Step 6: Final answer
    x = 23,153.39

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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.