Home / 39,986.32-59,886.06-31,610.08

Finding the Fourth Proportional to 39,986.32, 59,886.06 and 31,610.08

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Solution

The fourth proportional to 39,986.32, 59,886.06 and 31,610.08 is: 47,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.32 : 59,886.06 = 31,610.08 : x
  2. Step 2: Convert to fraction form
    39,986.32/59,886.06 = 31,610.08/x
  3. Step 3: Cross multiply
    39,986.32x = 59,886.06 × 31,610.08
  4. Step 4: Simplify right side
    39,986.32x = 1,893,003,147.48
  5. Step 5: Solve for x
    x = 1,893,003,147.48/39,986.32
  6. Step 6: Final answer
    x = 47,341.27

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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.