Home / 39,871.45-59,809.34-14,918.05

Finding the Fourth Proportional to 39,871.45, 59,809.34 and 14,918.05

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Solution

The fourth proportional to 39,871.45, 59,809.34 and 14,918.05 is: 22,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.45 : 59,809.34 = 14,918.05 : x
  2. Step 2: Convert to fraction form
    39,871.45/59,809.34 = 14,918.05/x
  3. Step 3: Cross multiply
    39,871.45x = 59,809.34 × 14,918.05
  4. Step 4: Simplify right side
    39,871.45x = 892,238,724.59
  5. Step 5: Solve for x
    x = 892,238,724.59/39,871.45
  6. Step 6: Final answer
    x = 22,377.89

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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.