Home / 39,009.40-58,446.90-18,190.20

Finding the Fourth Proportional to 39,009.40, 58,446.90 and 18,190.20

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Solution

The fourth proportional to 39,009.40, 58,446.90 and 18,190.20 is: 27,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.40 : 58,446.90 = 18,190.20 : x
  2. Step 2: Convert to fraction form
    39,009.40/58,446.90 = 18,190.20/x
  3. Step 3: Cross multiply
    39,009.40x = 58,446.90 × 18,190.20
  4. Step 4: Simplify right side
    39,009.40x = 1,063,160,800.38
  5. Step 5: Solve for x
    x = 1,063,160,800.38/39,009.40
  6. Step 6: Final answer
    x = 27,253.96

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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.