Home / 39,911.56-59,867.34-17,719.72

Finding the Fourth Proportional to 39,911.56, 59,867.34 and 17,719.72

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Solution

The fourth proportional to 39,911.56, 59,867.34 and 17,719.72 is: 26,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.56 : 59,867.34 = 17,719.72 : x
  2. Step 2: Convert to fraction form
    39,911.56/59,867.34 = 17,719.72/x
  3. Step 3: Cross multiply
    39,911.56x = 59,867.34 × 17,719.72
  4. Step 4: Simplify right side
    39,911.56x = 1,060,832,501.94
  5. Step 5: Solve for x
    x = 1,060,832,501.94/39,911.56
  6. Step 6: Final answer
    x = 26,579.58

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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.