Home / 51,499.87-71,069.81-28,531.19

Finding the Fourth Proportional to 51,499.87, 71,069.81 and 28,531.19

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Solution

The fourth proportional to 51,499.87, 71,069.81 and 28,531.19 is: 39,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,499.87 : 71,069.81 = 28,531.19 : x
  2. Step 2: Convert to fraction form
    51,499.87/71,069.81 = 28,531.19/x
  3. Step 3: Cross multiply
    51,499.87x = 71,069.81 × 28,531.19
  4. Step 4: Simplify right side
    51,499.87x = 2,027,706,128.36
  5. Step 5: Solve for x
    x = 2,027,706,128.36/51,499.87
  6. Step 6: Final answer
    x = 39,373.03

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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.