Home / 51,307.85-76,969.88-21,725.87

Finding the Fourth Proportional to 51,307.85, 76,969.88 and 21,725.87

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Solution

The fourth proportional to 51,307.85, 76,969.88 and 21,725.87 is: 32,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307.85 : 76,969.88 = 21,725.87 : x
  2. Step 2: Convert to fraction form
    51,307.85/76,969.88 = 21,725.87/x
  3. Step 3: Cross multiply
    51,307.85x = 76,969.88 × 21,725.87
  4. Step 4: Simplify right side
    51,307.85x = 1,672,237,498.17
  5. Step 5: Solve for x
    x = 1,672,237,498.17/51,307.85
  6. Step 6: Final answer
    x = 32,592.23

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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.