Home / 30,574.99-45,869.37-10,853.56

Finding the Fourth Proportional to 30,574.99, 45,869.37 and 10,853.56

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Solution

The fourth proportional to 30,574.99, 45,869.37 and 10,853.56 is: 16,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574.99 : 45,869.37 = 10,853.56 : x
  2. Step 2: Convert to fraction form
    30,574.99/45,869.37 = 10,853.56/x
  3. Step 3: Cross multiply
    30,574.99x = 45,869.37 × 10,853.56
  4. Step 4: Simplify right side
    30,574.99x = 497,845,959.46
  5. Step 5: Solve for x
    x = 497,845,959.46/30,574.99
  6. Step 6: Final answer
    x = 16,282.78

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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.