Home / 48,620.34-72,942.82-13,560

Finding the Fourth Proportional to 48,620.34, 72,942.82 and 13,560

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Solution

The fourth proportional to 48,620.34, 72,942.82 and 13,560 is: 20,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.34 : 72,942.82 = 13,560 : x
  2. Step 2: Convert to fraction form
    48,620.34/72,942.82 = 13,560/x
  3. Step 3: Cross multiply
    48,620.34x = 72,942.82 × 13,560
  4. Step 4: Simplify right side
    48,620.34x = 989,104,681.58
  5. Step 5: Solve for x
    x = 989,104,681.58/48,620.34
  6. Step 6: Final answer
    x = 20,343.43

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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.