Home / 42,415.64-63,563.34-31,234.58

Finding the Fourth Proportional to 42,415.64, 63,563.34 and 31,234.58

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Solution

The fourth proportional to 42,415.64, 63,563.34 and 31,234.58 is: 46,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,415.64 : 63,563.34 = 31,234.58 : x
  2. Step 2: Convert to fraction form
    42,415.64/63,563.34 = 31,234.58/x
  3. Step 3: Cross multiply
    42,415.64x = 63,563.34 × 31,234.58
  4. Step 4: Simplify right side
    42,415.64x = 1,985,374,228.30
  5. Step 5: Solve for x
    x = 1,985,374,228.30/42,415.64
  6. Step 6: Final answer
    x = 46,807.60

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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.