Home / 42,652.94-63,977.09-13,070.86

Finding the Fourth Proportional to 42,652.94, 63,977.09 and 13,070.86

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Solution

The fourth proportional to 42,652.94, 63,977.09 and 13,070.86 is: 19,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,652.94 : 63,977.09 = 13,070.86 : x
  2. Step 2: Convert to fraction form
    42,652.94/63,977.09 = 13,070.86/x
  3. Step 3: Cross multiply
    42,652.94x = 63,977.09 × 13,070.86
  4. Step 4: Simplify right side
    42,652.94x = 836,235,361.30
  5. Step 5: Solve for x
    x = 836,235,361.30/42,652.94
  6. Step 6: Final answer
    x = 19,605.58

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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.