Home / 40,147.92-60,110.64-30,257.28

Finding the Fourth Proportional to 40,147.92, 60,110.64 and 30,257.28

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Solution

The fourth proportional to 40,147.92, 60,110.64 and 30,257.28 is: 45,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.92 : 60,110.64 = 30,257.28 : x
  2. Step 2: Convert to fraction form
    40,147.92/60,110.64 = 30,257.28/x
  3. Step 3: Cross multiply
    40,147.92x = 60,110.64 × 30,257.28
  4. Step 4: Simplify right side
    40,147.92x = 1,818,784,465.46
  5. Step 5: Solve for x
    x = 1,818,784,465.46/40,147.92
  6. Step 6: Final answer
    x = 45,302.08

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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.