Home / 30,474.38-45,712.58-10,483.68

Finding the Fourth Proportional to 30,474.38, 45,712.58 and 10,483.68

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Solution

The fourth proportional to 30,474.38, 45,712.58 and 10,483.68 is: 15,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.38 : 45,712.58 = 10,483.68 : x
  2. Step 2: Convert to fraction form
    30,474.38/45,712.58 = 10,483.68/x
  3. Step 3: Cross multiply
    30,474.38x = 45,712.58 × 10,483.68
  4. Step 4: Simplify right side
    30,474.38x = 479,236,060.69
  5. Step 5: Solve for x
    x = 479,236,060.69/30,474.38
  6. Step 6: Final answer
    x = 15,725.87

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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.