Home / 58,644.37-80,928.76-31,786.19

Finding the Fourth Proportional to 58,644.37, 80,928.76 and 31,786.19

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Solution

The fourth proportional to 58,644.37, 80,928.76 and 31,786.19 is: 43,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,644.37 : 80,928.76 = 31,786.19 : x
  2. Step 2: Convert to fraction form
    58,644.37/80,928.76 = 31,786.19/x
  3. Step 3: Cross multiply
    58,644.37x = 80,928.76 × 31,786.19
  4. Step 4: Simplify right side
    58,644.37x = 2,572,416,378.25
  5. Step 5: Solve for x
    x = 2,572,416,378.25/58,644.37
  6. Step 6: Final answer
    x = 43,864.68

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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.