Home / 42,749.63-64,124.46-11,584.88

Finding the Fourth Proportional to 42,749.63, 64,124.46 and 11,584.88

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Solution

The fourth proportional to 42,749.63, 64,124.46 and 11,584.88 is: 17,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,749.63 : 64,124.46 = 11,584.88 : x
  2. Step 2: Convert to fraction form
    42,749.63/64,124.46 = 11,584.88/x
  3. Step 3: Cross multiply
    42,749.63x = 64,124.46 × 11,584.88
  4. Step 4: Simplify right side
    42,749.63x = 742,873,853.54
  5. Step 5: Solve for x
    x = 742,873,853.54/42,749.63
  6. Step 6: Final answer
    x = 17,377.32

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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.