Home / 42,152.66-63,174.48-31,539.41

Finding the Fourth Proportional to 42,152.66, 63,174.48 and 31,539.41

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Solution

The fourth proportional to 42,152.66, 63,174.48 and 31,539.41 is: 47,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,152.66 : 63,174.48 = 31,539.41 : x
  2. Step 2: Convert to fraction form
    42,152.66/63,174.48 = 31,539.41/x
  3. Step 3: Cross multiply
    42,152.66x = 63,174.48 × 31,539.41
  4. Step 4: Simplify right side
    42,152.66x = 1,992,485,826.26
  5. Step 5: Solve for x
    x = 1,992,485,826.26/42,152.66
  6. Step 6: Final answer
    x = 47,268.33

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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.