Home / 40,212.72-55,457.19-25,106.76

Finding the Fourth Proportional to 40,212.72, 55,457.19 and 25,106.76

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Solution

The fourth proportional to 40,212.72, 55,457.19 and 25,106.76 is: 34,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.72 : 55,457.19 = 25,106.76 : x
  2. Step 2: Convert to fraction form
    40,212.72/55,457.19 = 25,106.76/x
  3. Step 3: Cross multiply
    40,212.72x = 55,457.19 × 25,106.76
  4. Step 4: Simplify right side
    40,212.72x = 1,392,350,359.60
  5. Step 5: Solve for x
    x = 1,392,350,359.60/40,212.72
  6. Step 6: Final answer
    x = 34,624.63

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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.