Home / 51,928.74-71,663.75-29,268.68

Finding the Fourth Proportional to 51,928.74, 71,663.75 and 29,268.68

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Solution

The fourth proportional to 51,928.74, 71,663.75 and 29,268.68 is: 40,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.74 : 71,663.75 = 29,268.68 : x
  2. Step 2: Convert to fraction form
    51,928.74/71,663.75 = 29,268.68/x
  3. Step 3: Cross multiply
    51,928.74x = 71,663.75 × 29,268.68
  4. Step 4: Simplify right side
    51,928.74x = 2,097,502,971.45
  5. Step 5: Solve for x
    x = 2,097,502,971.45/51,928.74
  6. Step 6: Final answer
    x = 40,391.95

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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.