Home / 30,127.92-45,219.60-15,347.43

Finding the Fourth Proportional to 30,127.92, 45,219.60 and 15,347.43

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Solution

The fourth proportional to 30,127.92, 45,219.60 and 15,347.43 is: 23,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.92 : 45,219.60 = 15,347.43 : x
  2. Step 2: Convert to fraction form
    30,127.92/45,219.60 = 15,347.43/x
  3. Step 3: Cross multiply
    30,127.92x = 45,219.60 × 15,347.43
  4. Step 4: Simplify right side
    30,127.92x = 694,004,645.63
  5. Step 5: Solve for x
    x = 694,004,645.63/30,127.92
  6. Step 6: Final answer
    x = 23,035.27

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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.