Home / 30,496.20-45,712.56-15,672.12

Finding the Fourth Proportional to 30,496.20, 45,712.56 and 15,672.12

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Solution

The fourth proportional to 30,496.20, 45,712.56 and 15,672.12 is: 23,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496.20 : 45,712.56 = 15,672.12 : x
  2. Step 2: Convert to fraction form
    30,496.20/45,712.56 = 15,672.12/x
  3. Step 3: Cross multiply
    30,496.20x = 45,712.56 × 15,672.12
  4. Step 4: Simplify right side
    30,496.20x = 716,412,725.83
  5. Step 5: Solve for x
    x = 716,412,725.83/30,496.20
  6. Step 6: Final answer
    x = 23,491.87

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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.