Home / 56,629.44-78,152.48-31,478.88

Finding the Fourth Proportional to 56,629.44, 78,152.48 and 31,478.88

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Solution

The fourth proportional to 56,629.44, 78,152.48 and 31,478.88 is: 43,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,629.44 : 78,152.48 = 31,478.88 : x
  2. Step 2: Convert to fraction form
    56,629.44/78,152.48 = 31,478.88/x
  3. Step 3: Cross multiply
    56,629.44x = 78,152.48 × 31,478.88
  4. Step 4: Simplify right side
    56,629.44x = 2,460,152,539.62
  5. Step 5: Solve for x
    x = 2,460,152,539.62/56,629.44
  6. Step 6: Final answer
    x = 43,443.00

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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.