Home / 39,431.36-59,097.83-19,715.55

Finding the Fourth Proportional to 39,431.36, 59,097.83 and 19,715.55

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Solution

The fourth proportional to 39,431.36, 59,097.83 and 19,715.55 is: 29,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.36 : 59,097.83 = 19,715.55 : x
  2. Step 2: Convert to fraction form
    39,431.36/59,097.83 = 19,715.55/x
  3. Step 3: Cross multiply
    39,431.36x = 59,097.83 × 19,715.55
  4. Step 4: Simplify right side
    39,431.36x = 1,165,146,289.94
  5. Step 5: Solve for x
    x = 1,165,146,289.94/39,431.36
  6. Step 6: Final answer
    x = 29,548.72

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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.