Home / 55,729.65-76,906.91-31,856.84

Finding the Fourth Proportional to 55,729.65, 76,906.91 and 31,856.84

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Solution

The fourth proportional to 55,729.65, 76,906.91 and 31,856.84 is: 43,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.65 : 76,906.91 = 31,856.84 : x
  2. Step 2: Convert to fraction form
    55,729.65/76,906.91 = 31,856.84/x
  3. Step 3: Cross multiply
    55,729.65x = 76,906.91 × 31,856.84
  4. Step 4: Simplify right side
    55,729.65x = 2,450,011,398.67
  5. Step 5: Solve for x
    x = 2,450,011,398.67/55,729.65
  6. Step 6: Final answer
    x = 43,962.44

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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.