Home / 52,205.11-78,316.34-17,136.56

Finding the Fourth Proportional to 52,205.11, 78,316.34 and 17,136.56

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Solution

The fourth proportional to 52,205.11, 78,316.34 and 17,136.56 is: 25,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,205.11 : 78,316.34 = 17,136.56 : x
  2. Step 2: Convert to fraction form
    52,205.11/78,316.34 = 17,136.56/x
  3. Step 3: Cross multiply
    52,205.11x = 78,316.34 × 17,136.56
  4. Step 4: Simplify right side
    52,205.11x = 1,342,072,769.50
  5. Step 5: Solve for x
    x = 1,342,072,769.50/52,205.11
  6. Step 6: Final answer
    x = 25,707.69

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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.