Home / 55,948.08-77,190.96-31,745.04

Finding the Fourth Proportional to 55,948.08, 77,190.96 and 31,745.04

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Solution

The fourth proportional to 55,948.08, 77,190.96 and 31,745.04 is: 43,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,948.08 : 77,190.96 = 31,745.04 : x
  2. Step 2: Convert to fraction form
    55,948.08/77,190.96 = 31,745.04/x
  3. Step 3: Cross multiply
    55,948.08x = 77,190.96 × 31,745.04
  4. Step 4: Simplify right side
    55,948.08x = 2,450,430,112.84
  5. Step 5: Solve for x
    x = 2,450,430,112.84/55,948.08
  6. Step 6: Final answer
    x = 43,798.29

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1.5x scale

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.