Home / 43,266.54-64,896.74-11,678.40

Finding the Fourth Proportional to 43,266.54, 64,896.74 and 11,678.40

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Solution

The fourth proportional to 43,266.54, 64,896.74 and 11,678.40 is: 17,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.54 : 64,896.74 = 11,678.40 : x
  2. Step 2: Convert to fraction form
    43,266.54/64,896.74 = 11,678.40/x
  3. Step 3: Cross multiply
    43,266.54x = 64,896.74 × 11,678.40
  4. Step 4: Simplify right side
    43,266.54x = 757,890,030.02
  5. Step 5: Solve for x
    x = 757,890,030.02/43,266.54
  6. Step 6: Final answer
    x = 17,516.77

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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.