Home / 39,991.32-59,893.56-31,615.08

Finding the Fourth Proportional to 39,991.32, 59,893.56 and 31,615.08

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Solution

The fourth proportional to 39,991.32, 59,893.56 and 31,615.08 is: 47,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.32 : 59,893.56 = 31,615.08 : x
  2. Step 2: Convert to fraction form
    39,991.32/59,893.56 = 31,615.08/x
  3. Step 3: Cross multiply
    39,991.32x = 59,893.56 × 31,615.08
  4. Step 4: Simplify right side
    39,991.32x = 1,893,539,690.88
  5. Step 5: Solve for x
    x = 1,893,539,690.88/39,991.32
  6. Step 6: Final answer
    x = 47,348.77

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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.