Home / 53,782.48-74,221.64-29,584.50

Finding the Fourth Proportional to 53,782.48, 74,221.64 and 29,584.50

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Solution

The fourth proportional to 53,782.48, 74,221.64 and 29,584.50 is: 40,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,782.48 : 74,221.64 = 29,584.50 : x
  2. Step 2: Convert to fraction form
    53,782.48/74,221.64 = 29,584.50/x
  3. Step 3: Cross multiply
    53,782.48x = 74,221.64 × 29,584.50
  4. Step 4: Simplify right side
    53,782.48x = 2,195,810,108.58
  5. Step 5: Solve for x
    x = 2,195,810,108.58/53,782.48
  6. Step 6: Final answer
    x = 40,827.61

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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.