Home / 30,276.34-45,414.76-10,554.86

Finding the Fourth Proportional to 30,276.34, 45,414.76 and 10,554.86

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Solution

The fourth proportional to 30,276.34, 45,414.76 and 10,554.86 is: 15,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.34 : 45,414.76 = 10,554.86 : x
  2. Step 2: Convert to fraction form
    30,276.34/45,414.76 = 10,554.86/x
  3. Step 3: Cross multiply
    30,276.34x = 45,414.76 × 10,554.86
  4. Step 4: Simplify right side
    30,276.34x = 479,346,433.73
  5. Step 5: Solve for x
    x = 479,346,433.73/30,276.34
  6. Step 6: Final answer
    x = 15,832.38

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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.