Home / 42,494.53-63,741.75-20,240.41

Finding the Fourth Proportional to 42,494.53, 63,741.75 and 20,240.41

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Solution

The fourth proportional to 42,494.53, 63,741.75 and 20,240.41 is: 30,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,494.53 : 63,741.75 = 20,240.41 : x
  2. Step 2: Convert to fraction form
    42,494.53/63,741.75 = 20,240.41/x
  3. Step 3: Cross multiply
    42,494.53x = 63,741.75 × 20,240.41
  4. Step 4: Simplify right side
    42,494.53x = 1,290,159,154.12
  5. Step 5: Solve for x
    x = 1,290,159,154.12/42,494.53
  6. Step 6: Final answer
    x = 30,360.59

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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.