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Finding the Fourth Proportional to 30,094.74, 45,126.72 and 12,559.86

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Solution

The fourth proportional to 30,094.74, 45,126.72 and 12,559.86 is: 18,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,094.74 : 45,126.72 = 12,559.86 : x
  2. Step 2: Convert to fraction form
    30,094.74/45,126.72 = 12,559.86/x
  3. Step 3: Cross multiply
    30,094.74x = 45,126.72 × 12,559.86
  4. Step 4: Simplify right side
    30,094.74x = 566,785,285.46
  5. Step 5: Solve for x
    x = 566,785,285.46/30,094.74
  6. Step 6: Final answer
    x = 18,833.37

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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.