Home / 45,136.14-67,659.10-15,533.78

Finding the Fourth Proportional to 45,136.14, 67,659.10 and 15,533.78

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Solution

The fourth proportional to 45,136.14, 67,659.10 and 15,533.78 is: 23,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,136.14 : 67,659.10 = 15,533.78 : x
  2. Step 2: Convert to fraction form
    45,136.14/67,659.10 = 15,533.78/x
  3. Step 3: Cross multiply
    45,136.14x = 67,659.10 × 15,533.78
  4. Step 4: Simplify right side
    45,136.14x = 1,051,001,197.27
  5. Step 5: Solve for x
    x = 1,051,001,197.27/45,136.14
  6. Step 6: Final answer
    x = 23,285.14

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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.