Home / 31,276.80-46,946.81-27,742.09

Finding the Fourth Proportional to 31,276.80, 46,946.81 and 27,742.09

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Solution

The fourth proportional to 31,276.80, 46,946.81 and 27,742.09 is: 41,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.80 : 46,946.81 = 27,742.09 : x
  2. Step 2: Convert to fraction form
    31,276.80/46,946.81 = 27,742.09/x
  3. Step 3: Cross multiply
    31,276.80x = 46,946.81 × 27,742.09
  4. Step 4: Simplify right side
    31,276.80x = 1,302,402,628.23
  5. Step 5: Solve for x
    x = 1,302,402,628.23/31,276.80
  6. Step 6: Final answer
    x = 41,641.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.