Home / 42,559.74-63,837.21-18,860.46

Finding the Fourth Proportional to 42,559.74, 63,837.21 and 18,860.46

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Solution

The fourth proportional to 42,559.74, 63,837.21 and 18,860.46 is: 28,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,559.74 : 63,837.21 = 18,860.46 : x
  2. Step 2: Convert to fraction form
    42,559.74/63,837.21 = 18,860.46/x
  3. Step 3: Cross multiply
    42,559.74x = 63,837.21 × 18,860.46
  4. Step 4: Simplify right side
    42,559.74x = 1,203,999,145.72
  5. Step 5: Solve for x
    x = 1,203,999,145.72/42,559.74
  6. Step 6: Final answer
    x = 28,289.63

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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.