Home / 35,957.04-49,619.34-20,040.72

Finding the Fourth Proportional to 35,957.04, 49,619.34 and 20,040.72

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Solution

The fourth proportional to 35,957.04, 49,619.34 and 20,040.72 is: 27,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.04 : 49,619.34 = 20,040.72 : x
  2. Step 2: Convert to fraction form
    35,957.04/49,619.34 = 20,040.72/x
  3. Step 3: Cross multiply
    35,957.04x = 49,619.34 × 20,040.72
  4. Step 4: Simplify right side
    35,957.04x = 994,407,299.52
  5. Step 5: Solve for x
    x = 994,407,299.52/35,957.04
  6. Step 6: Final answer
    x = 27,655.43

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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.