Home / 56,318.31-84,464.16-20,760.32

Finding the Fourth Proportional to 56,318.31, 84,464.16 and 20,760.32

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Solution

The fourth proportional to 56,318.31, 84,464.16 and 20,760.32 is: 31,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,318.31 : 84,464.16 = 20,760.32 : x
  2. Step 2: Convert to fraction form
    56,318.31/84,464.16 = 20,760.32/x
  3. Step 3: Cross multiply
    56,318.31x = 84,464.16 × 20,760.32
  4. Step 4: Simplify right side
    56,318.31x = 1,753,502,567.81
  5. Step 5: Solve for x
    x = 1,753,502,567.81/56,318.31
  6. Step 6: Final answer
    x = 31,135.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.