Home / 51,307.45-76,898.30-29,139.48

Finding the Fourth Proportional to 51,307.45, 76,898.30 and 29,139.48

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Solution

The fourth proportional to 51,307.45, 76,898.30 and 29,139.48 is: 43,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307.45 : 76,898.30 = 29,139.48 : x
  2. Step 2: Convert to fraction form
    51,307.45/76,898.30 = 29,139.48/x
  3. Step 3: Cross multiply
    51,307.45x = 76,898.30 × 29,139.48
  4. Step 4: Simplify right side
    51,307.45x = 2,240,776,329.19
  5. Step 5: Solve for x
    x = 2,240,776,329.19/51,307.45
  6. Step 6: Final answer
    x = 43,673.51

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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.