Home / 51,457.76-70,989.24-30,227.48

Finding the Fourth Proportional to 51,457.76, 70,989.24 and 30,227.48

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Solution

The fourth proportional to 51,457.76, 70,989.24 and 30,227.48 is: 41,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.76 : 70,989.24 = 30,227.48 : x
  2. Step 2: Convert to fraction form
    51,457.76/70,989.24 = 30,227.48/x
  3. Step 3: Cross multiply
    51,457.76x = 70,989.24 × 30,227.48
  4. Step 4: Simplify right side
    51,457.76x = 2,145,825,832.32
  5. Step 5: Solve for x
    x = 2,145,825,832.32/51,457.76
  6. Step 6: Final answer
    x = 41,700.72

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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.