Home / 51,265.12-70,742.64-28,607.44

Finding the Fourth Proportional to 51,265.12, 70,742.64 and 28,607.44

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Solution

The fourth proportional to 51,265.12, 70,742.64 and 28,607.44 is: 39,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.12 : 70,742.64 = 28,607.44 : x
  2. Step 2: Convert to fraction form
    51,265.12/70,742.64 = 28,607.44/x
  3. Step 3: Cross multiply
    51,265.12x = 70,742.64 × 28,607.44
  4. Step 4: Simplify right side
    51,265.12x = 2,023,765,829.24
  5. Step 5: Solve for x
    x = 2,023,765,829.24/51,265.12
  6. Step 6: Final answer
    x = 39,476.47

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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.