Home / 42,360.21-63,489-23,620.32

Finding the Fourth Proportional to 42,360.21, 63,489 and 23,620.32

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Solution

The fourth proportional to 42,360.21, 63,489 and 23,620.32 is: 35,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.21 : 63,489 = 23,620.32 : x
  2. Step 2: Convert to fraction form
    42,360.21/63,489 = 23,620.32/x
  3. Step 3: Cross multiply
    42,360.21x = 63,489 × 23,620.32
  4. Step 4: Simplify right side
    42,360.21x = 1,499,630,496.48
  5. Step 5: Solve for x
    x = 1,499,630,496.48/42,360.21
  6. Step 6: Final answer
    x = 35,401.87

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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.