Home / 30,362.45-45,550.15-10,642.19

Finding the Fourth Proportional to 30,362.45, 45,550.15 and 10,642.19

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Solution

The fourth proportional to 30,362.45, 45,550.15 and 10,642.19 is: 15,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362.45 : 45,550.15 = 10,642.19 : x
  2. Step 2: Convert to fraction form
    30,362.45/45,550.15 = 10,642.19/x
  3. Step 3: Cross multiply
    30,362.45x = 45,550.15 × 10,642.19
  4. Step 4: Simplify right side
    30,362.45x = 484,753,096.47
  5. Step 5: Solve for x
    x = 484,753,096.47/30,362.45
  6. Step 6: Final answer
    x = 15,965.55

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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.