Home / 51,784.68-77,661-18,500.16

Finding the Fourth Proportional to 51,784.68, 77,661 and 18,500.16

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Solution

The fourth proportional to 51,784.68, 77,661 and 18,500.16 is: 27,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,784.68 : 77,661 = 18,500.16 : x
  2. Step 2: Convert to fraction form
    51,784.68/77,661 = 18,500.16/x
  3. Step 3: Cross multiply
    51,784.68x = 77,661 × 18,500.16
  4. Step 4: Simplify right side
    51,784.68x = 1,436,740,925.76
  5. Step 5: Solve for x
    x = 1,436,740,925.76/51,784.68
  6. Step 6: Final answer
    x = 27,744.52

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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.