Home / 51,457.87-77,150.35-19,841.14

Finding the Fourth Proportional to 51,457.87, 77,150.35 and 19,841.14

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Solution

The fourth proportional to 51,457.87, 77,150.35 and 19,841.14 is: 29,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.87 : 77,150.35 = 19,841.14 : x
  2. Step 2: Convert to fraction form
    51,457.87/77,150.35 = 19,841.14/x
  3. Step 3: Cross multiply
    51,457.87x = 77,150.35 × 19,841.14
  4. Step 4: Simplify right side
    51,457.87x = 1,530,750,895.40
  5. Step 5: Solve for x
    x = 1,530,750,895.40/51,457.87
  6. Step 6: Final answer
    x = 29,747.65

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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.