Home / 56,745.75-78,309.68-31,595.79

Finding the Fourth Proportional to 56,745.75, 78,309.68 and 31,595.79

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Solution

The fourth proportional to 56,745.75, 78,309.68 and 31,595.79 is: 43,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745.75 : 78,309.68 = 31,595.79 : x
  2. Step 2: Convert to fraction form
    56,745.75/78,309.68 = 31,595.79/x
  3. Step 3: Cross multiply
    56,745.75x = 78,309.68 × 31,595.79
  4. Step 4: Simplify right side
    56,745.75x = 2,474,256,204.25
  5. Step 5: Solve for x
    x = 2,474,256,204.25/56,745.75
  6. Step 6: Final answer
    x = 43,602.49

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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.