Home / 30,108.08-45,137.43-11,377.46

Finding the Fourth Proportional to 30,108.08, 45,137.43 and 11,377.46

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Solution

The fourth proportional to 30,108.08, 45,137.43 and 11,377.46 is: 17,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.08 : 45,137.43 = 11,377.46 : x
  2. Step 2: Convert to fraction form
    30,108.08/45,137.43 = 11,377.46/x
  3. Step 3: Cross multiply
    30,108.08x = 45,137.43 × 11,377.46
  4. Step 4: Simplify right side
    30,108.08x = 513,549,078.64
  5. Step 5: Solve for x
    x = 513,549,078.64/30,108.08
  6. Step 6: Final answer
    x = 17,056.86

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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.