Home / 56,917.60-78,544.25-31,423.44

Finding the Fourth Proportional to 56,917.60, 78,544.25 and 31,423.44

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Solution

The fourth proportional to 56,917.60, 78,544.25 and 31,423.44 is: 43,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.60 : 78,544.25 = 31,423.44 : x
  2. Step 2: Convert to fraction form
    56,917.60/78,544.25 = 31,423.44/x
  3. Step 3: Cross multiply
    56,917.60x = 78,544.25 × 31,423.44
  4. Step 4: Simplify right side
    56,917.60x = 2,468,130,448.66
  5. Step 5: Solve for x
    x = 2,468,130,448.66/56,917.60
  6. Step 6: Final answer
    x = 43,363.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.