Home / 51,363.16-70,903-31,226.47

Finding the Fourth Proportional to 51,363.16, 70,903 and 31,226.47

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Solution

The fourth proportional to 51,363.16, 70,903 and 31,226.47 is: 43,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.16 : 70,903 = 31,226.47 : x
  2. Step 2: Convert to fraction form
    51,363.16/70,903 = 31,226.47/x
  3. Step 3: Cross multiply
    51,363.16x = 70,903 × 31,226.47
  4. Step 4: Simplify right side
    51,363.16x = 2,214,050,402.41
  5. Step 5: Solve for x
    x = 2,214,050,402.41/51,363.16
  6. Step 6: Final answer
    x = 43,105.81

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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.