Home / 48,438.05-72,655.09-16,855.34

Finding the Fourth Proportional to 48,438.05, 72,655.09 and 16,855.34

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Solution

The fourth proportional to 48,438.05, 72,655.09 and 16,855.34 is: 25,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.05 : 72,655.09 = 16,855.34 : x
  2. Step 2: Convert to fraction form
    48,438.05/72,655.09 = 16,855.34/x
  3. Step 3: Cross multiply
    48,438.05x = 72,655.09 × 16,855.34
  4. Step 4: Simplify right side
    48,438.05x = 1,224,626,244.68
  5. Step 5: Solve for x
    x = 1,224,626,244.68/48,438.05
  6. Step 6: Final answer
    x = 25,282.32

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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.