Home / 51,453.91-71,010.21-28,795.17

Finding the Fourth Proportional to 51,453.91, 71,010.21 and 28,795.17

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Solution

The fourth proportional to 51,453.91, 71,010.21 and 28,795.17 is: 39,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,453.91 : 71,010.21 = 28,795.17 : x
  2. Step 2: Convert to fraction form
    51,453.91/71,010.21 = 28,795.17/x
  3. Step 3: Cross multiply
    51,453.91x = 71,010.21 × 28,795.17
  4. Step 4: Simplify right side
    51,453.91x = 2,044,751,068.69
  5. Step 5: Solve for x
    x = 2,044,751,068.69/51,453.91
  6. Step 6: Final answer
    x = 39,739.47

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1.5x scale

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.