Home / 56,677.32-78,214.68-31,183.12

Finding the Fourth Proportional to 56,677.32, 78,214.68 and 31,183.12

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Solution

The fourth proportional to 56,677.32, 78,214.68 and 31,183.12 is: 43,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,677.32 : 78,214.68 = 31,183.12 : x
  2. Step 2: Convert to fraction form
    56,677.32/78,214.68 = 31,183.12/x
  3. Step 3: Cross multiply
    56,677.32x = 78,214.68 × 31,183.12
  4. Step 4: Simplify right side
    56,677.32x = 2,438,977,752.20
  5. Step 5: Solve for x
    x = 2,438,977,752.20/56,677.32
  6. Step 6: Final answer
    x = 43,032.69

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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.