Home / 56,610.78-78,119.55-32,735.76

Finding the Fourth Proportional to 56,610.78, 78,119.55 and 32,735.76

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Solution

The fourth proportional to 56,610.78, 78,119.55 and 32,735.76 is: 45,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.78 : 78,119.55 = 32,735.76 : x
  2. Step 2: Convert to fraction form
    56,610.78/78,119.55 = 32,735.76/x
  3. Step 3: Cross multiply
    56,610.78x = 78,119.55 × 32,735.76
  4. Step 4: Simplify right side
    56,610.78x = 2,557,302,840.11
  5. Step 5: Solve for x
    x = 2,557,302,840.11/56,610.78
  6. Step 6: Final answer
    x = 45,173.43

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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.