Home / 48,438.56-72,655.82-16,855.86

Finding the Fourth Proportional to 48,438.56, 72,655.82 and 16,855.86

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Solution

The fourth proportional to 48,438.56, 72,655.82 and 16,855.86 is: 25,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.56 : 72,655.82 = 16,855.86 : x
  2. Step 2: Convert to fraction form
    48,438.56/72,655.82 = 16,855.86/x
  3. Step 3: Cross multiply
    48,438.56x = 72,655.82 × 16,855.86
  4. Step 4: Simplify right side
    48,438.56x = 1,224,676,330.11
  5. Step 5: Solve for x
    x = 1,224,676,330.11/48,438.56
  6. Step 6: Final answer
    x = 25,283.09

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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.