Home / 56,677.44-78,214.86-31,183.26

Finding the Fourth Proportional to 56,677.44, 78,214.86 and 31,183.26

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Solution

The fourth proportional to 56,677.44, 78,214.86 and 31,183.26 is: 43,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,677.44 : 78,214.86 = 31,183.26 : x
  2. Step 2: Convert to fraction form
    56,677.44/78,214.86 = 31,183.26/x
  3. Step 3: Cross multiply
    56,677.44x = 78,214.86 × 31,183.26
  4. Step 4: Simplify right side
    56,677.44x = 2,438,994,315.24
  5. Step 5: Solve for x
    x = 2,438,994,315.24/56,677.44
  6. Step 6: Final answer
    x = 43,032.89

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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.