Home / 53,684.47-74,085.44-29,155.29

Finding the Fourth Proportional to 53,684.47, 74,085.44 and 29,155.29

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Solution

The fourth proportional to 53,684.47, 74,085.44 and 29,155.29 is: 40,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,684.47 : 74,085.44 = 29,155.29 : x
  2. Step 2: Convert to fraction form
    53,684.47/74,085.44 = 29,155.29/x
  3. Step 3: Cross multiply
    53,684.47x = 74,085.44 × 29,155.29
  4. Step 4: Simplify right side
    53,684.47x = 2,159,982,481.11
  5. Step 5: Solve for x
    x = 2,159,982,481.11/53,684.47
  6. Step 6: Final answer
    x = 40,234.77

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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.