Home / 42,583.02-63,847.05-20,395.86

Finding the Fourth Proportional to 42,583.02, 63,847.05 and 20,395.86

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Solution

The fourth proportional to 42,583.02, 63,847.05 and 20,395.86 is: 30,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,583.02 : 63,847.05 = 20,395.86 : x
  2. Step 2: Convert to fraction form
    42,583.02/63,847.05 = 20,395.86/x
  3. Step 3: Cross multiply
    42,583.02x = 63,847.05 × 20,395.86
  4. Step 4: Simplify right side
    42,583.02x = 1,302,215,493.21
  5. Step 5: Solve for x
    x = 1,302,215,493.21/42,583.02
  6. Step 6: Final answer
    x = 30,580.63

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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.