Home / 55,371.13-76,412.22-30,220.63

Finding the Fourth Proportional to 55,371.13, 76,412.22 and 30,220.63

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Solution

The fourth proportional to 55,371.13, 76,412.22 and 30,220.63 is: 41,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.13 : 76,412.22 = 30,220.63 : x
  2. Step 2: Convert to fraction form
    55,371.13/76,412.22 = 30,220.63/x
  3. Step 3: Cross multiply
    55,371.13x = 76,412.22 × 30,220.63
  4. Step 4: Simplify right side
    55,371.13x = 2,309,225,046.04
  5. Step 5: Solve for x
    x = 2,309,225,046.04/55,371.13
  6. Step 6: Final answer
    x = 41,704.50

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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.