Home / 48,942.05-73,410.29-13,400.77

Finding the Fourth Proportional to 48,942.05, 73,410.29 and 13,400.77

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Solution

The fourth proportional to 48,942.05, 73,410.29 and 13,400.77 is: 20,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,942.05 : 73,410.29 = 13,400.77 : x
  2. Step 2: Convert to fraction form
    48,942.05/73,410.29 = 13,400.77/x
  3. Step 3: Cross multiply
    48,942.05x = 73,410.29 × 13,400.77
  4. Step 4: Simplify right side
    48,942.05x = 983,754,411.92
  5. Step 5: Solve for x
    x = 983,754,411.92/48,942.05
  6. Step 6: Final answer
    x = 20,100.39

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1.5x scale

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.