Home / 51,631.90-77,347.65-30,232.90

Finding the Fourth Proportional to 51,631.90, 77,347.65 and 30,232.90

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Solution

The fourth proportional to 51,631.90, 77,347.65 and 30,232.90 is: 45,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,631.90 : 77,347.65 = 30,232.90 : x
  2. Step 2: Convert to fraction form
    51,631.90/77,347.65 = 30,232.90/x
  3. Step 3: Cross multiply
    51,631.90x = 77,347.65 × 30,232.90
  4. Step 4: Simplify right side
    51,631.90x = 2,338,443,767.69
  5. Step 5: Solve for x
    x = 2,338,443,767.69/51,631.90
  6. Step 6: Final answer
    x = 45,290.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.