Home / 51,485.52-77,239.60-29,309.28

Finding the Fourth Proportional to 51,485.52, 77,239.60 and 29,309.28

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Solution

The fourth proportional to 51,485.52, 77,239.60 and 29,309.28 is: 43,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,485.52 : 77,239.60 = 29,309.28 : x
  2. Step 2: Convert to fraction form
    51,485.52/77,239.60 = 29,309.28/x
  3. Step 3: Cross multiply
    51,485.52x = 77,239.60 × 29,309.28
  4. Step 4: Simplify right side
    51,485.52x = 2,263,837,063.49
  5. Step 5: Solve for x
    x = 2,263,837,063.49/51,485.52
  6. Step 6: Final answer
    x = 43,970.36

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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.