Home / 30,254.92-45,387.26-12,729.76

Finding the Fourth Proportional to 30,254.92, 45,387.26 and 12,729.76

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Solution

The fourth proportional to 30,254.92, 45,387.26 and 12,729.76 is: 19,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.92 : 45,387.26 = 12,729.76 : x
  2. Step 2: Convert to fraction form
    30,254.92/45,387.26 = 12,729.76/x
  3. Step 3: Cross multiply
    30,254.92x = 45,387.26 × 12,729.76
  4. Step 4: Simplify right side
    30,254.92x = 577,768,926.86
  5. Step 5: Solve for x
    x = 577,768,926.86/30,254.92
  6. Step 6: Final answer
    x = 19,096.69

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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.