Home / 42,867.08-64,299.40-14,786.60

Finding the Fourth Proportional to 42,867.08, 64,299.40 and 14,786.60

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Solution

The fourth proportional to 42,867.08, 64,299.40 and 14,786.60 is: 22,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.08 : 64,299.40 = 14,786.60 : x
  2. Step 2: Convert to fraction form
    42,867.08/64,299.40 = 14,786.60/x
  3. Step 3: Cross multiply
    42,867.08x = 64,299.40 × 14,786.60
  4. Step 4: Simplify right side
    42,867.08x = 950,769,508.04
  5. Step 5: Solve for x
    x = 950,769,508.04/42,867.08
  6. Step 6: Final answer
    x = 22,179.48

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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.