Home / 48,736.04-73,106.64-13,678.43

Finding the Fourth Proportional to 48,736.04, 73,106.64 and 13,678.43

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Solution

The fourth proportional to 48,736.04, 73,106.64 and 13,678.43 is: 20,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,736.04 : 73,106.64 = 13,678.43 : x
  2. Step 2: Convert to fraction form
    48,736.04/73,106.64 = 13,678.43/x
  3. Step 3: Cross multiply
    48,736.04x = 73,106.64 × 13,678.43
  4. Step 4: Simplify right side
    48,736.04x = 999,983,915.10
  5. Step 5: Solve for x
    x = 999,983,915.10/48,736.04
  6. Step 6: Final answer
    x = 20,518.37

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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.