Home / 55,631.09-83,447.00-14,078.09

Finding the Fourth Proportional to 55,631.09, 83,447.00 and 14,078.09

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Solution

The fourth proportional to 55,631.09, 83,447.00 and 14,078.09 is: 21,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.09 : 83,447.00 = 14,078.09 : x
  2. Step 2: Convert to fraction form
    55,631.09/83,447.00 = 14,078.09/x
  3. Step 3: Cross multiply
    55,631.09x = 83,447.00 × 14,078.09
  4. Step 4: Simplify right side
    55,631.09x = 1,174,774,305.84
  5. Step 5: Solve for x
    x = 1,174,774,305.84/55,631.09
  6. Step 6: Final answer
    x = 21,117.23

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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.