Home / 39,877.66-59,814.33-12,173.50

Finding the Fourth Proportional to 39,877.66, 59,814.33 and 12,173.50

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Solution

The fourth proportional to 39,877.66, 59,814.33 and 12,173.50 is: 18,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.66 : 59,814.33 = 12,173.50 : x
  2. Step 2: Convert to fraction form
    39,877.66/59,814.33 = 12,173.50/x
  3. Step 3: Cross multiply
    39,877.66x = 59,814.33 × 12,173.50
  4. Step 4: Simplify right side
    39,877.66x = 728,149,746.26
  5. Step 5: Solve for x
    x = 728,149,746.26/39,877.66
  6. Step 6: Final answer
    x = 18,259.59

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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.