Home / 56,464.27-84,710.64-39,856.75

Finding the Fourth Proportional to 56,464.27, 84,710.64 and 39,856.75

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Solution

The fourth proportional to 56,464.27, 84,710.64 and 39,856.75 is: 59,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464.27 : 84,710.64 = 39,856.75 : x
  2. Step 2: Convert to fraction form
    56,464.27/84,710.64 = 39,856.75/x
  3. Step 3: Cross multiply
    56,464.27x = 84,710.64 × 39,856.75
  4. Step 4: Simplify right side
    56,464.27x = 3,376,290,800.82
  5. Step 5: Solve for x
    x = 3,376,290,800.82/56,464.27
  6. Step 6: Final answer
    x = 59,795.17

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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.