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Finding the Fourth Proportional to 56,014.69, 77,283.69 and 33,335.50

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Solution

The fourth proportional to 56,014.69, 77,283.69 and 33,335.50 is: 45,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,014.69 : 77,283.69 = 33,335.50 : x
  2. Step 2: Convert to fraction form
    56,014.69/77,283.69 = 33,335.50/x
  3. Step 3: Cross multiply
    56,014.69x = 77,283.69 × 33,335.50
  4. Step 4: Simplify right side
    56,014.69x = 2,576,290,448.00
  5. Step 5: Solve for x
    x = 2,576,290,448.00/56,014.69
  6. Step 6: Final answer
    x = 45,993.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.