Home / 43,182.70-64,792.81-15,122.88

Finding the Fourth Proportional to 43,182.70, 64,792.81 and 15,122.88

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Solution

The fourth proportional to 43,182.70, 64,792.81 and 15,122.88 is: 22,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.70 : 64,792.81 = 15,122.88 : x
  2. Step 2: Convert to fraction form
    43,182.70/64,792.81 = 15,122.88/x
  3. Step 3: Cross multiply
    43,182.70x = 64,792.81 × 15,122.88
  4. Step 4: Simplify right side
    43,182.70x = 979,853,890.49
  5. Step 5: Solve for x
    x = 979,853,890.49/43,182.70
  6. Step 6: Final answer
    x = 22,690.89

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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.