Home / 51,322-70,825.48-28,966.16

Finding the Fourth Proportional to 51,322, 70,825.48 and 28,966.16

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Solution

The fourth proportional to 51,322, 70,825.48 and 28,966.16 is: 39,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,322 : 70,825.48 = 28,966.16 : x
  2. Step 2: Convert to fraction form
    51,322/70,825.48 = 28,966.16/x
  3. Step 3: Cross multiply
    51,322x = 70,825.48 × 28,966.16
  4. Step 4: Simplify right side
    51,322x = 2,051,542,185.76
  5. Step 5: Solve for x
    x = 2,051,542,185.76/51,322
  6. Step 6: Final answer
    x = 39,973.93

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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.