Home / 39,750.75-59,624.88-18,685.68

Finding the Fourth Proportional to 39,750.75, 59,624.88 and 18,685.68

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Solution

The fourth proportional to 39,750.75, 59,624.88 and 18,685.68 is: 28,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750.75 : 59,624.88 = 18,685.68 : x
  2. Step 2: Convert to fraction form
    39,750.75/59,624.88 = 18,685.68/x
  3. Step 3: Cross multiply
    39,750.75x = 59,624.88 × 18,685.68
  4. Step 4: Simplify right side
    39,750.75x = 1,114,131,427.72
  5. Step 5: Solve for x
    x = 1,114,131,427.72/39,750.75
  6. Step 6: Final answer
    x = 28,027.93

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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.