Home / 42,043.86-63,065.79-15,741.54

Finding the Fourth Proportional to 42,043.86, 63,065.79 and 15,741.54

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Solution

The fourth proportional to 42,043.86, 63,065.79 and 15,741.54 is: 23,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.86 : 63,065.79 = 15,741.54 : x
  2. Step 2: Convert to fraction form
    42,043.86/63,065.79 = 15,741.54/x
  3. Step 3: Cross multiply
    42,043.86x = 63,065.79 × 15,741.54
  4. Step 4: Simplify right side
    42,043.86x = 992,752,655.92
  5. Step 5: Solve for x
    x = 992,752,655.92/42,043.86
  6. Step 6: Final answer
    x = 23,612.31

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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.