Home / 53,981.44-74,498.06-30,107.90

Finding the Fourth Proportional to 53,981.44, 74,498.06 and 30,107.90

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Solution

The fourth proportional to 53,981.44, 74,498.06 and 30,107.90 is: 41,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.44 : 74,498.06 = 30,107.90 : x
  2. Step 2: Convert to fraction form
    53,981.44/74,498.06 = 30,107.90/x
  3. Step 3: Cross multiply
    53,981.44x = 74,498.06 × 30,107.90
  4. Step 4: Simplify right side
    53,981.44x = 2,242,980,402.19
  5. Step 5: Solve for x
    x = 2,242,980,402.19/53,981.44
  6. Step 6: Final answer
    x = 41,550.96

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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.