Home / 58,686.22-80,986.75-31,828.62

Finding the Fourth Proportional to 58,686.22, 80,986.75 and 31,828.62

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Solution

The fourth proportional to 58,686.22, 80,986.75 and 31,828.62 is: 43,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,686.22 : 80,986.75 = 31,828.62 : x
  2. Step 2: Convert to fraction form
    58,686.22/80,986.75 = 31,828.62/x
  3. Step 3: Cross multiply
    58,686.22x = 80,986.75 × 31,828.62
  4. Step 4: Simplify right side
    58,686.22x = 2,577,696,490.79
  5. Step 5: Solve for x
    x = 2,577,696,490.79/58,686.22
  6. Step 6: Final answer
    x = 43,923.37

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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.