Home / 39,887.40-59,725.80-31,952.64

Finding the Fourth Proportional to 39,887.40, 59,725.80 and 31,952.64

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Solution

The fourth proportional to 39,887.40, 59,725.80 and 31,952.64 is: 47,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.40 : 59,725.80 = 31,952.64 : x
  2. Step 2: Convert to fraction form
    39,887.40/59,725.80 = 31,952.64/x
  3. Step 3: Cross multiply
    39,887.40x = 59,725.80 × 31,952.64
  4. Step 4: Simplify right side
    39,887.40x = 1,908,396,986.11
  5. Step 5: Solve for x
    x = 1,908,396,986.11/39,887.40
  6. Step 6: Final answer
    x = 47,844.61

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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.