Home / 51,868.19-71,579.03-30,647.41

Finding the Fourth Proportional to 51,868.19, 71,579.03 and 30,647.41

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Solution

The fourth proportional to 51,868.19, 71,579.03 and 30,647.41 is: 42,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.19 : 71,579.03 = 30,647.41 : x
  2. Step 2: Convert to fraction form
    51,868.19/71,579.03 = 30,647.41/x
  3. Step 3: Cross multiply
    51,868.19x = 71,579.03 × 30,647.41
  4. Step 4: Simplify right side
    51,868.19x = 2,193,711,547.63
  5. Step 5: Solve for x
    x = 2,193,711,547.63/51,868.19
  6. Step 6: Final answer
    x = 42,293.97

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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.