Home / 42,136.24-63,208.14-10,971.76

Finding the Fourth Proportional to 42,136.24, 63,208.14 and 10,971.76

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Solution

The fourth proportional to 42,136.24, 63,208.14 and 10,971.76 is: 16,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.24 : 63,208.14 = 10,971.76 : x
  2. Step 2: Convert to fraction form
    42,136.24/63,208.14 = 10,971.76/x
  3. Step 3: Cross multiply
    42,136.24x = 63,208.14 × 10,971.76
  4. Step 4: Simplify right side
    42,136.24x = 693,504,542.13
  5. Step 5: Solve for x
    x = 693,504,542.13/42,136.24
  6. Step 6: Final answer
    x = 16,458.62

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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.