Home / 30,954.92-42,719.44-17,526.72

Finding the Fourth Proportional to 30,954.92, 42,719.44 and 17,526.72

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Solution

The fourth proportional to 30,954.92, 42,719.44 and 17,526.72 is: 24,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.92 : 42,719.44 = 17,526.72 : x
  2. Step 2: Convert to fraction form
    30,954.92/42,719.44 = 17,526.72/x
  3. Step 3: Cross multiply
    30,954.92x = 42,719.44 × 17,526.72
  4. Step 4: Simplify right side
    30,954.92x = 748,731,663.44
  5. Step 5: Solve for x
    x = 748,731,663.44/30,954.92
  6. Step 6: Final answer
    x = 24,187.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.