Home / 30,562.11-42,184.53-19,806.62

Finding the Fourth Proportional to 30,562.11, 42,184.53 and 19,806.62

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Solution

The fourth proportional to 30,562.11, 42,184.53 and 19,806.62 is: 27,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.11 : 42,184.53 = 19,806.62 : x
  2. Step 2: Convert to fraction form
    30,562.11/42,184.53 = 19,806.62/x
  3. Step 3: Cross multiply
    30,562.11x = 42,184.53 × 19,806.62
  4. Step 4: Simplify right side
    30,562.11x = 835,532,744.67
  5. Step 5: Solve for x
    x = 835,532,744.67/30,562.11
  6. Step 6: Final answer
    x = 27,338.84

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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.