Home / 51,424.22-70,971.99-28,764.47

Finding the Fourth Proportional to 51,424.22, 70,971.99 and 28,764.47

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Solution

The fourth proportional to 51,424.22, 70,971.99 and 28,764.47 is: 39,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,424.22 : 70,971.99 = 28,764.47 : x
  2. Step 2: Convert to fraction form
    51,424.22/70,971.99 = 28,764.47/x
  3. Step 3: Cross multiply
    51,424.22x = 70,971.99 × 28,764.47
  4. Step 4: Simplify right side
    51,424.22x = 2,041,471,322.34
  5. Step 5: Solve for x
    x = 2,041,471,322.34/51,424.22
  6. Step 6: Final answer
    x = 39,698.64

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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.