Home / 76,869.24-115,307.30-23,557.36

Finding the Fourth Proportional to 76,869.24, 115,307.30 and 23,557.36

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Solution

The fourth proportional to 76,869.24, 115,307.30 and 23,557.36 is: 35,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,869.24 : 115,307.30 = 23,557.36 : x
  2. Step 2: Convert to fraction form
    76,869.24/115,307.30 = 23,557.36/x
  3. Step 3: Cross multiply
    76,869.24x = 115,307.30 × 23,557.36
  4. Step 4: Simplify right side
    76,869.24x = 2,716,335,576.73
  5. Step 5: Solve for x
    x = 2,716,335,576.73/76,869.24
  6. Step 6: Final answer
    x = 35,337.09

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1.5x scale

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.