Home / 56,591.08-78,096.74-31,442.92

Finding the Fourth Proportional to 56,591.08, 78,096.74 and 31,442.92

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Solution

The fourth proportional to 56,591.08, 78,096.74 and 31,442.92 is: 43,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,591.08 : 78,096.74 = 31,442.92 : x
  2. Step 2: Convert to fraction form
    56,591.08/78,096.74 = 31,442.92/x
  3. Step 3: Cross multiply
    56,591.08x = 78,096.74 × 31,442.92
  4. Step 4: Simplify right side
    56,591.08x = 2,455,589,548.08
  5. Step 5: Solve for x
    x = 2,455,589,548.08/56,591.08
  6. Step 6: Final answer
    x = 43,391.81

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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.