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Finding the Fourth Proportional to 64,011.80, 95,945.70 and 30,747.80

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Solution

The fourth proportional to 64,011.80, 95,945.70 and 30,747.80 is: 46,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,011.80 : 95,945.70 = 30,747.80 : x
  2. Step 2: Convert to fraction form
    64,011.80/95,945.70 = 30,747.80/x
  3. Step 3: Cross multiply
    64,011.80x = 95,945.70 × 30,747.80
  4. Step 4: Simplify right side
    64,011.80x = 2,950,119,194.46
  5. Step 5: Solve for x
    x = 2,950,119,194.46/64,011.80
  6. Step 6: Final answer
    x = 46,087.12

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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.