Home / 59,439.40-89,163.15-18,909.70

Finding the Fourth Proportional to 59,439.40, 89,163.15 and 18,909.70

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Solution

The fourth proportional to 59,439.40, 89,163.15 and 18,909.70 is: 28,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,439.40 : 89,163.15 = 18,909.70 : x
  2. Step 2: Convert to fraction form
    59,439.40/89,163.15 = 18,909.70/x
  3. Step 3: Cross multiply
    59,439.40x = 89,163.15 × 18,909.70
  4. Step 4: Simplify right side
    59,439.40x = 1,686,048,417.56
  5. Step 5: Solve for x
    x = 1,686,048,417.56/59,439.40
  6. Step 6: Final answer
    x = 28,365.84

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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.