Home / 53,855.30-74,309.04-31,192.92

Finding the Fourth Proportional to 53,855.30, 74,309.04 and 31,192.92

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Solution

The fourth proportional to 53,855.30, 74,309.04 and 31,192.92 is: 43,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.30 : 74,309.04 = 31,192.92 : x
  2. Step 2: Convert to fraction form
    53,855.30/74,309.04 = 31,192.92/x
  3. Step 3: Cross multiply
    53,855.30x = 74,309.04 × 31,192.92
  4. Step 4: Simplify right side
    53,855.30x = 2,317,915,940.00
  5. Step 5: Solve for x
    x = 2,317,915,940.00/53,855.30
  6. Step 6: Final answer
    x = 43,039.70

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1.5x scale

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.