Home / 42,506.58-63,759.45-15,851.64

Finding the Fourth Proportional to 42,506.58, 63,759.45 and 15,851.64

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Solution

The fourth proportional to 42,506.58, 63,759.45 and 15,851.64 is: 23,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,506.58 : 63,759.45 = 15,851.64 : x
  2. Step 2: Convert to fraction form
    42,506.58/63,759.45 = 15,851.64/x
  3. Step 3: Cross multiply
    42,506.58x = 63,759.45 × 15,851.64
  4. Step 4: Simplify right side
    42,506.58x = 1,010,692,057.37
  5. Step 5: Solve for x
    x = 1,010,692,057.37/42,506.58
  6. Step 6: Final answer
    x = 23,777.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.