Home / 51,089.65-70,504.68-28,429.60

Finding the Fourth Proportional to 51,089.65, 70,504.68 and 28,429.60

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Solution

The fourth proportional to 51,089.65, 70,504.68 and 28,429.60 is: 39,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.65 : 70,504.68 = 28,429.60 : x
  2. Step 2: Convert to fraction form
    51,089.65/70,504.68 = 28,429.60/x
  3. Step 3: Cross multiply
    51,089.65x = 70,504.68 × 28,429.60
  4. Step 4: Simplify right side
    51,089.65x = 2,004,419,498.00
  5. Step 5: Solve for x
    x = 2,004,419,498.00/51,089.65
  6. Step 6: Final answer
    x = 39,233.38

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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.