Home / 63,422.85-87,522.58-34,742.28

Finding the Fourth Proportional to 63,422.85, 87,522.58 and 34,742.28

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Solution

The fourth proportional to 63,422.85, 87,522.58 and 34,742.28 is: 47,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.85 : 87,522.58 = 34,742.28 : x
  2. Step 2: Convert to fraction form
    63,422.85/87,522.58 = 34,742.28/x
  3. Step 3: Cross multiply
    63,422.85x = 87,522.58 × 34,742.28
  4. Step 4: Simplify right side
    63,422.85x = 3,040,733,980.68
  5. Step 5: Solve for x
    x = 3,040,733,980.68/63,422.85
  6. Step 6: Final answer
    x = 47,943.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.