Home / 35,680.20-49,238.65-19,765.68

Finding the Fourth Proportional to 35,680.20, 49,238.65 and 19,765.68

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Solution

The fourth proportional to 35,680.20, 49,238.65 and 19,765.68 is: 27,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.20 : 49,238.65 = 19,765.68 : x
  2. Step 2: Convert to fraction form
    35,680.20/49,238.65 = 19,765.68/x
  3. Step 3: Cross multiply
    35,680.20x = 49,238.65 × 19,765.68
  4. Step 4: Simplify right side
    35,680.20x = 973,235,399.53
  5. Step 5: Solve for x
    x = 973,235,399.53/35,680.20
  6. Step 6: Final answer
    x = 27,276.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.