Home / 35,833.04-53,757.20-12,139.76

Finding the Fourth Proportional to 35,833.04, 53,757.20 and 12,139.76

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Solution

The fourth proportional to 35,833.04, 53,757.20 and 12,139.76 is: 18,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,833.04 : 53,757.20 = 12,139.76 : x
  2. Step 2: Convert to fraction form
    35,833.04/53,757.20 = 12,139.76/x
  3. Step 3: Cross multiply
    35,833.04x = 53,757.20 × 12,139.76
  4. Step 4: Simplify right side
    35,833.04x = 652,599,176.79
  5. Step 5: Solve for x
    x = 652,599,176.79/35,833.04
  6. Step 6: Final answer
    x = 18,212.22

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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.