Home / 58,644.30-80,929.28-31,786.79

Finding the Fourth Proportional to 58,644.30, 80,929.28 and 31,786.79

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Solution

The fourth proportional to 58,644.30, 80,929.28 and 31,786.79 is: 43,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,644.30 : 80,929.28 = 31,786.79 : x
  2. Step 2: Convert to fraction form
    58,644.30/80,929.28 = 31,786.79/x
  3. Step 3: Cross multiply
    58,644.30x = 80,929.28 × 31,786.79
  4. Step 4: Simplify right side
    58,644.30x = 2,572,481,703.03
  5. Step 5: Solve for x
    x = 2,572,481,703.03/58,644.30
  6. Step 6: Final answer
    x = 43,865.84

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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.