Home / 35,905.80-49,542.76-21,750.44

Finding the Fourth Proportional to 35,905.80, 49,542.76 and 21,750.44

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Solution

The fourth proportional to 35,905.80, 49,542.76 and 21,750.44 is: 30,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.80 : 49,542.76 = 21,750.44 : x
  2. Step 2: Convert to fraction form
    35,905.80/49,542.76 = 21,750.44/x
  3. Step 3: Cross multiply
    35,905.80x = 49,542.76 × 21,750.44
  4. Step 4: Simplify right side
    35,905.80x = 1,077,576,828.81
  5. Step 5: Solve for x
    x = 1,077,576,828.81/35,905.80
  6. Step 6: Final answer
    x = 30,011.22

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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.