Home / 30,039.37-45,031.19-14,251.81

Finding the Fourth Proportional to 30,039.37, 45,031.19 and 14,251.81

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Solution

The fourth proportional to 30,039.37, 45,031.19 and 14,251.81 is: 21,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.37 : 45,031.19 = 14,251.81 : x
  2. Step 2: Convert to fraction form
    30,039.37/45,031.19 = 14,251.81/x
  3. Step 3: Cross multiply
    30,039.37x = 45,031.19 × 14,251.81
  4. Step 4: Simplify right side
    30,039.37x = 641,775,892.69
  5. Step 5: Solve for x
    x = 641,775,892.69/30,039.37
  6. Step 6: Final answer
    x = 21,364.49

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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.