Home / 56,212.32-84,366.96-31,277.28

Finding the Fourth Proportional to 56,212.32, 84,366.96 and 31,277.28

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Solution

The fourth proportional to 56,212.32, 84,366.96 and 31,277.28 is: 46,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,212.32 : 84,366.96 = 31,277.28 : x
  2. Step 2: Convert to fraction form
    56,212.32/84,366.96 = 31,277.28/x
  3. Step 3: Cross multiply
    56,212.32x = 84,366.96 × 31,277.28
  4. Step 4: Simplify right side
    56,212.32x = 2,638,769,030.67
  5. Step 5: Solve for x
    x = 2,638,769,030.67/56,212.32
  6. Step 6: Final answer
    x = 46,942.89

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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.