Home / 55,010.76-82,528.12-31,329.50

Finding the Fourth Proportional to 55,010.76, 82,528.12 and 31,329.50

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Solution

The fourth proportional to 55,010.76, 82,528.12 and 31,329.50 is: 47,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,010.76 : 82,528.12 = 31,329.50 : x
  2. Step 2: Convert to fraction form
    55,010.76/82,528.12 = 31,329.50/x
  3. Step 3: Cross multiply
    55,010.76x = 82,528.12 × 31,329.50
  4. Step 4: Simplify right side
    55,010.76x = 2,585,564,735.54
  5. Step 5: Solve for x
    x = 2,585,564,735.54/55,010.76
  6. Step 6: Final answer
    x = 47,001.07

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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.