Home / 51,884.64-77,821.68-18,603.36

Finding the Fourth Proportional to 51,884.64, 77,821.68 and 18,603.36

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Solution

The fourth proportional to 51,884.64, 77,821.68 and 18,603.36 is: 27,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,884.64 : 77,821.68 = 18,603.36 : x
  2. Step 2: Convert to fraction form
    51,884.64/77,821.68 = 18,603.36/x
  3. Step 3: Cross multiply
    51,884.64x = 77,821.68 × 18,603.36
  4. Step 4: Simplify right side
    51,884.64x = 1,447,744,728.84
  5. Step 5: Solve for x
    x = 1,447,744,728.84/51,884.64
  6. Step 6: Final answer
    x = 27,903.15

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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.