Home / 53,979.77-74,492.21-30,107.99

Finding the Fourth Proportional to 53,979.77, 74,492.21 and 30,107.99

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Solution

The fourth proportional to 53,979.77, 74,492.21 and 30,107.99 is: 41,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.77 : 74,492.21 = 30,107.99 : x
  2. Step 2: Convert to fraction form
    53,979.77/74,492.21 = 30,107.99/x
  3. Step 3: Cross multiply
    53,979.77x = 74,492.21 × 30,107.99
  4. Step 4: Simplify right side
    53,979.77x = 2,242,810,190.76
  5. Step 5: Solve for x
    x = 2,242,810,190.76/53,979.77
  6. Step 6: Final answer
    x = 41,549.09

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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.