Home / 55,181.84-76,152.68-31,309.52

Finding the Fourth Proportional to 55,181.84, 76,152.68 and 31,309.52

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Solution

The fourth proportional to 55,181.84, 76,152.68 and 31,309.52 is: 43,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,181.84 : 76,152.68 = 31,309.52 : x
  2. Step 2: Convert to fraction form
    55,181.84/76,152.68 = 31,309.52/x
  3. Step 3: Cross multiply
    55,181.84x = 76,152.68 × 31,309.52
  4. Step 4: Simplify right side
    55,181.84x = 2,384,303,857.51
  5. Step 5: Solve for x
    x = 2,384,303,857.51/55,181.84
  6. Step 6: Final answer
    x = 43,208.13

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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.