Home / 51,053.81-70,460.46-30,910.19

Finding the Fourth Proportional to 51,053.81, 70,460.46 and 30,910.19

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Solution

The fourth proportional to 51,053.81, 70,460.46 and 30,910.19 is: 42,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.81 : 70,460.46 = 30,910.19 : x
  2. Step 2: Convert to fraction form
    51,053.81/70,460.46 = 30,910.19/x
  3. Step 3: Cross multiply
    51,053.81x = 70,460.46 × 30,910.19
  4. Step 4: Simplify right side
    51,053.81x = 2,177,945,853.79
  5. Step 5: Solve for x
    x = 2,177,945,853.79/51,053.81
  6. Step 6: Final answer
    x = 42,659.81

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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.