Home / 39,685.62-59,529.80-19,953.42

Finding the Fourth Proportional to 39,685.62, 59,529.80 and 19,953.42

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Solution

The fourth proportional to 39,685.62, 59,529.80 and 19,953.42 is: 29,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.62 : 59,529.80 = 19,953.42 : x
  2. Step 2: Convert to fraction form
    39,685.62/59,529.80 = 19,953.42/x
  3. Step 3: Cross multiply
    39,685.62x = 59,529.80 × 19,953.42
  4. Step 4: Simplify right side
    39,685.62x = 1,187,823,101.92
  5. Step 5: Solve for x
    x = 1,187,823,101.92/39,685.62
  6. Step 6: Final answer
    x = 29,930.82

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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.