Home / 39,859.81-59,716.80-18,817.24

Finding the Fourth Proportional to 39,859.81, 59,716.80 and 18,817.24

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Solution

The fourth proportional to 39,859.81, 59,716.80 and 18,817.24 is: 28,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,859.81 : 59,716.80 = 18,817.24 : x
  2. Step 2: Convert to fraction form
    39,859.81/59,716.80 = 18,817.24/x
  3. Step 3: Cross multiply
    39,859.81x = 59,716.80 × 18,817.24
  4. Step 4: Simplify right side
    39,859.81x = 1,123,705,357.63
  5. Step 5: Solve for x
    x = 1,123,705,357.63/39,859.81
  6. Step 6: Final answer
    x = 28,191.44

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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.