Home / 51,823.99-71,516.31-29,161.20

Finding the Fourth Proportional to 51,823.99, 71,516.31 and 29,161.20

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Solution

The fourth proportional to 51,823.99, 71,516.31 and 29,161.20 is: 40,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.99 : 71,516.31 = 29,161.20 : x
  2. Step 2: Convert to fraction form
    51,823.99/71,516.31 = 29,161.20/x
  3. Step 3: Cross multiply
    51,823.99x = 71,516.31 × 29,161.20
  4. Step 4: Simplify right side
    51,823.99x = 2,085,501,419.17
  5. Step 5: Solve for x
    x = 2,085,501,419.17/51,823.99
  6. Step 6: Final answer
    x = 40,242.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.