Home / 42,806.70-64,205.16-16,509.24

Finding the Fourth Proportional to 42,806.70, 64,205.16 and 16,509.24

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Solution

The fourth proportional to 42,806.70, 64,205.16 and 16,509.24 is: 24,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806.70 : 64,205.16 = 16,509.24 : x
  2. Step 2: Convert to fraction form
    42,806.70/64,205.16 = 16,509.24/x
  3. Step 3: Cross multiply
    42,806.70x = 64,205.16 × 16,509.24
  4. Step 4: Simplify right side
    42,806.70x = 1,059,978,395.68
  5. Step 5: Solve for x
    x = 1,059,978,395.68/42,806.70
  6. Step 6: Final answer
    x = 24,761.97

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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.