Home / 58,437.91-80,644.34-31,580.41

Finding the Fourth Proportional to 58,437.91, 80,644.34 and 31,580.41

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Solution

The fourth proportional to 58,437.91, 80,644.34 and 31,580.41 is: 43,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,437.91 : 80,644.34 = 31,580.41 : x
  2. Step 2: Convert to fraction form
    58,437.91/80,644.34 = 31,580.41/x
  3. Step 3: Cross multiply
    58,437.91x = 80,644.34 × 31,580.41
  4. Step 4: Simplify right side
    58,437.91x = 2,546,780,760.26
  5. Step 5: Solve for x
    x = 2,546,780,760.26/58,437.91
  6. Step 6: Final answer
    x = 43,580.97

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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.