Home / 57,039.10-85,573.23-21,969.34

Finding the Fourth Proportional to 57,039.10, 85,573.23 and 21,969.34

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Solution

The fourth proportional to 57,039.10, 85,573.23 and 21,969.34 is: 32,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.10 : 85,573.23 = 21,969.34 : x
  2. Step 2: Convert to fraction form
    57,039.10/85,573.23 = 21,969.34/x
  3. Step 3: Cross multiply
    57,039.10x = 85,573.23 × 21,969.34
  4. Step 4: Simplify right side
    57,039.10x = 1,879,987,384.77
  5. Step 5: Solve for x
    x = 1,879,987,384.77/57,039.10
  6. Step 6: Final answer
    x = 32,959.63

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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.