Home / 56,716.12-78,268.46-31,565.62

Finding the Fourth Proportional to 56,716.12, 78,268.46 and 31,565.62

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Solution

The fourth proportional to 56,716.12, 78,268.46 and 31,565.62 is: 43,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.12 : 78,268.46 = 31,565.62 : x
  2. Step 2: Convert to fraction form
    56,716.12/78,268.46 = 31,565.62/x
  3. Step 3: Cross multiply
    56,716.12x = 78,268.46 × 31,565.62
  4. Step 4: Simplify right side
    56,716.12x = 2,470,592,466.35
  5. Step 5: Solve for x
    x = 2,470,592,466.35/56,716.12
  6. Step 6: Final answer
    x = 43,560.67

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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.