Home / 53,680.84-74,078.10-29,806.90

Finding the Fourth Proportional to 53,680.84, 74,078.10 and 29,806.90

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Solution

The fourth proportional to 53,680.84, 74,078.10 and 29,806.90 is: 41,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.84 : 74,078.10 = 29,806.90 : x
  2. Step 2: Convert to fraction form
    53,680.84/74,078.10 = 29,806.90/x
  3. Step 3: Cross multiply
    53,680.84x = 74,078.10 × 29,806.90
  4. Step 4: Simplify right side
    53,680.84x = 2,208,038,518.89
  5. Step 5: Solve for x
    x = 2,208,038,518.89/53,680.84
  6. Step 6: Final answer
    x = 41,132.71

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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.