Home / 52,021.17-78,035.76-18,744.48

Finding the Fourth Proportional to 52,021.17, 78,035.76 and 18,744.48

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Solution

The fourth proportional to 52,021.17, 78,035.76 and 18,744.48 is: 28,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.17 : 78,035.76 = 18,744.48 : x
  2. Step 2: Convert to fraction form
    52,021.17/78,035.76 = 18,744.48/x
  3. Step 3: Cross multiply
    52,021.17x = 78,035.76 × 18,744.48
  4. Step 4: Simplify right side
    52,021.17x = 1,462,739,742.60
  5. Step 5: Solve for x
    x = 1,462,739,742.60/52,021.17
  6. Step 6: Final answer
    x = 28,118.16

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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.