Home / 58,838.45-81,194.67-31,980.33

Finding the Fourth Proportional to 58,838.45, 81,194.67 and 31,980.33

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Solution

The fourth proportional to 58,838.45, 81,194.67 and 31,980.33 is: 44,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,838.45 : 81,194.67 = 31,980.33 : x
  2. Step 2: Convert to fraction form
    58,838.45/81,194.67 = 31,980.33/x
  3. Step 3: Cross multiply
    58,838.45x = 81,194.67 × 31,980.33
  4. Step 4: Simplify right side
    58,838.45x = 2,596,632,340.84
  5. Step 5: Solve for x
    x = 2,596,632,340.84/58,838.45
  6. Step 6: Final answer
    x = 44,131.56

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Double scale
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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.