Home / 63,238.22-87,167.40-42,813.86

Finding the Fourth Proportional to 63,238.22, 87,167.40 and 42,813.86

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Solution

The fourth proportional to 63,238.22, 87,167.40 and 42,813.86 is: 59,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,238.22 : 87,167.40 = 42,813.86 : x
  2. Step 2: Convert to fraction form
    63,238.22/87,167.40 = 42,813.86/x
  3. Step 3: Cross multiply
    63,238.22x = 87,167.40 × 42,813.86
  4. Step 4: Simplify right side
    63,238.22x = 3,731,972,860.16
  5. Step 5: Solve for x
    x = 3,731,972,860.16/63,238.22
  6. Step 6: Final answer
    x = 59,014.51

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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.