Home / 30,380.70-45,657.45-26,579.10

Finding the Fourth Proportional to 30,380.70, 45,657.45 and 26,579.10

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Solution

The fourth proportional to 30,380.70, 45,657.45 and 26,579.10 is: 39,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380.70 : 45,657.45 = 26,579.10 : x
  2. Step 2: Convert to fraction form
    30,380.70/45,657.45 = 26,579.10/x
  3. Step 3: Cross multiply
    30,380.70x = 45,657.45 × 26,579.10
  4. Step 4: Simplify right side
    30,380.70x = 1,213,533,929.30
  5. Step 5: Solve for x
    x = 1,213,533,929.30/30,380.70
  6. Step 6: Final answer
    x = 39,944.24

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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.