Home / 51,813.35-77,721.68-14,373.80

Finding the Fourth Proportional to 51,813.35, 77,721.68 and 14,373.80

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Solution

The fourth proportional to 51,813.35, 77,721.68 and 14,373.80 is: 21,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,813.35 : 77,721.68 = 14,373.80 : x
  2. Step 2: Convert to fraction form
    51,813.35/77,721.68 = 14,373.80/x
  3. Step 3: Cross multiply
    51,813.35x = 77,721.68 × 14,373.80
  4. Step 4: Simplify right side
    51,813.35x = 1,117,155,531.31
  5. Step 5: Solve for x
    x = 1,117,155,531.31/51,813.35
  6. Step 6: Final answer
    x = 21,561.15

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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.