Home / 30,531.84-45,798.40-16,651.52

Finding the Fourth Proportional to 30,531.84, 45,798.40 and 16,651.52

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Solution

The fourth proportional to 30,531.84, 45,798.40 and 16,651.52 is: 24,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.84 : 45,798.40 = 16,651.52 : x
  2. Step 2: Convert to fraction form
    30,531.84/45,798.40 = 16,651.52/x
  3. Step 3: Cross multiply
    30,531.84x = 45,798.40 × 16,651.52
  4. Step 4: Simplify right side
    30,531.84x = 762,612,973.57
  5. Step 5: Solve for x
    x = 762,612,973.57/30,531.84
  6. Step 6: Final answer
    x = 24,977.63

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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.