Home / 42,848.63-64,231.21-17,895.80

Finding the Fourth Proportional to 42,848.63, 64,231.21 and 17,895.80

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Solution

The fourth proportional to 42,848.63, 64,231.21 and 17,895.80 is: 26,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,848.63 : 64,231.21 = 17,895.80 : x
  2. Step 2: Convert to fraction form
    42,848.63/64,231.21 = 17,895.80/x
  3. Step 3: Cross multiply
    42,848.63x = 64,231.21 × 17,895.80
  4. Step 4: Simplify right side
    42,848.63x = 1,149,469,070.87
  5. Step 5: Solve for x
    x = 1,149,469,070.87/42,848.63
  6. Step 6: Final answer
    x = 26,826.27

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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.