Home / 30,560.60-45,853.60-28,108.46

Finding the Fourth Proportional to 30,560.60, 45,853.60 and 28,108.46

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Solution

The fourth proportional to 30,560.60, 45,853.60 and 28,108.46 is: 42,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560.60 : 45,853.60 = 28,108.46 : x
  2. Step 2: Convert to fraction form
    30,560.60/45,853.60 = 28,108.46/x
  3. Step 3: Cross multiply
    30,560.60x = 45,853.60 × 28,108.46
  4. Step 4: Simplify right side
    30,560.60x = 1,288,874,081.46
  5. Step 5: Solve for x
    x = 1,288,874,081.46/30,560.60
  6. Step 6: Final answer
    x = 42,174.37

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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.