Home / 51,810.21-77,715.33-18,528.26

Finding the Fourth Proportional to 51,810.21, 77,715.33 and 18,528.26

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Solution

The fourth proportional to 51,810.21, 77,715.33 and 18,528.26 is: 27,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810.21 : 77,715.33 = 18,528.26 : x
  2. Step 2: Convert to fraction form
    51,810.21/77,715.33 = 18,528.26/x
  3. Step 3: Cross multiply
    51,810.21x = 77,715.33 × 18,528.26
  4. Step 4: Simplify right side
    51,810.21x = 1,439,929,382.17
  5. Step 5: Solve for x
    x = 1,439,929,382.17/51,810.21
  6. Step 6: Final answer
    x = 27,792.39

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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.