Home / 53,533.10-80,300.23-21,935.05

Finding the Fourth Proportional to 53,533.10, 80,300.23 and 21,935.05

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Solution

The fourth proportional to 53,533.10, 80,300.23 and 21,935.05 is: 32,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.10 : 80,300.23 = 21,935.05 : x
  2. Step 2: Convert to fraction form
    53,533.10/80,300.23 = 21,935.05/x
  3. Step 3: Cross multiply
    53,533.10x = 80,300.23 × 21,935.05
  4. Step 4: Simplify right side
    53,533.10x = 1,761,389,304.47
  5. Step 5: Solve for x
    x = 1,761,389,304.47/53,533.10
  6. Step 6: Final answer
    x = 32,902.81

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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.