Home / 56,770.81-78,343.74-32,911.31

Finding the Fourth Proportional to 56,770.81, 78,343.74 and 32,911.31

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Solution

The fourth proportional to 56,770.81, 78,343.74 and 32,911.31 is: 45,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.81 : 78,343.74 = 32,911.31 : x
  2. Step 2: Convert to fraction form
    56,770.81/78,343.74 = 32,911.31/x
  3. Step 3: Cross multiply
    56,770.81x = 78,343.74 × 32,911.31
  4. Step 4: Simplify right side
    56,770.81x = 2,578,394,949.14
  5. Step 5: Solve for x
    x = 2,578,394,949.14/56,770.81
  6. Step 6: Final answer
    x = 45,417.62

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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.