Home / 39,667.08-59,471.46-18,905.16

Finding the Fourth Proportional to 39,667.08, 59,471.46 and 18,905.16

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Solution

The fourth proportional to 39,667.08, 59,471.46 and 18,905.16 is: 28,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.08 : 59,471.46 = 18,905.16 : x
  2. Step 2: Convert to fraction form
    39,667.08/59,471.46 = 18,905.16/x
  3. Step 3: Cross multiply
    39,667.08x = 59,471.46 × 18,905.16
  4. Step 4: Simplify right side
    39,667.08x = 1,124,317,466.73
  5. Step 5: Solve for x
    x = 1,124,317,466.73/39,667.08
  6. Step 6: Final answer
    x = 28,343.84

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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.