Home / 35,890.14-53,800.23-20,102.76

Finding the Fourth Proportional to 35,890.14, 53,800.23 and 20,102.76

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Solution

The fourth proportional to 35,890.14, 53,800.23 and 20,102.76 is: 30,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.14 : 53,800.23 = 20,102.76 : x
  2. Step 2: Convert to fraction form
    35,890.14/53,800.23 = 20,102.76/x
  3. Step 3: Cross multiply
    35,890.14x = 53,800.23 × 20,102.76
  4. Step 4: Simplify right side
    35,890.14x = 1,081,533,111.63
  5. Step 5: Solve for x
    x = 1,081,533,111.63/35,890.14
  6. Step 6: Final answer
    x = 30,134.55

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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.