Home / 56,752.44-78,317.62-31,258.32

Finding the Fourth Proportional to 56,752.44, 78,317.62 and 31,258.32

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Solution

The fourth proportional to 56,752.44, 78,317.62 and 31,258.32 is: 43,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.44 : 78,317.62 = 31,258.32 : x
  2. Step 2: Convert to fraction form
    56,752.44/78,317.62 = 31,258.32/x
  3. Step 3: Cross multiply
    56,752.44x = 78,317.62 × 31,258.32
  4. Step 4: Simplify right side
    56,752.44x = 2,448,077,227.60
  5. Step 5: Solve for x
    x = 2,448,077,227.60/56,752.44
  6. Step 6: Final answer
    x = 43,136.07

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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.