Home / 42,918.06-64,379.92-14,840.83

Finding the Fourth Proportional to 42,918.06, 64,379.92 and 14,840.83

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Solution

The fourth proportional to 42,918.06, 64,379.92 and 14,840.83 is: 22,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918.06 : 64,379.92 = 14,840.83 : x
  2. Step 2: Convert to fraction form
    42,918.06/64,379.92 = 14,840.83/x
  3. Step 3: Cross multiply
    42,918.06x = 64,379.92 × 14,840.83
  4. Step 4: Simplify right side
    42,918.06x = 955,451,448.13
  5. Step 5: Solve for x
    x = 955,451,448.13/42,918.06
  6. Step 6: Final answer
    x = 22,262.22

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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.