Home / 39,460.31-59,179.37-10,990.79

Finding the Fourth Proportional to 39,460.31, 59,179.37 and 10,990.79

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Solution

The fourth proportional to 39,460.31, 59,179.37 and 10,990.79 is: 16,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,460.31 : 59,179.37 = 10,990.79 : x
  2. Step 2: Convert to fraction form
    39,460.31/59,179.37 = 10,990.79/x
  3. Step 3: Cross multiply
    39,460.31x = 59,179.37 × 10,990.79
  4. Step 4: Simplify right side
    39,460.31x = 650,427,732.11
  5. Step 5: Solve for x
    x = 650,427,732.11/39,460.31
  6. Step 6: Final answer
    x = 16,483.09

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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.