Home / 55,230.26-76,215.13-31,353.68

Finding the Fourth Proportional to 55,230.26, 76,215.13 and 31,353.68

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Solution

The fourth proportional to 55,230.26, 76,215.13 and 31,353.68 is: 43,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.26 : 76,215.13 = 31,353.68 : x
  2. Step 2: Convert to fraction form
    55,230.26/76,215.13 = 31,353.68/x
  3. Step 3: Cross multiply
    55,230.26x = 76,215.13 × 31,353.68
  4. Step 4: Simplify right side
    55,230.26x = 2,389,624,909.33
  5. Step 5: Solve for x
    x = 2,389,624,909.33/55,230.26
  6. Step 6: Final answer
    x = 43,266.59

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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.