Home / 43,200.37-64,809.33-18,240.49

Finding the Fourth Proportional to 43,200.37, 64,809.33 and 18,240.49

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Solution

The fourth proportional to 43,200.37, 64,809.33 and 18,240.49 is: 27,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.37 : 64,809.33 = 18,240.49 : x
  2. Step 2: Convert to fraction form
    43,200.37/64,809.33 = 18,240.49/x
  3. Step 3: Cross multiply
    43,200.37x = 64,809.33 × 18,240.49
  4. Step 4: Simplify right side
    43,200.37x = 1,182,153,935.77
  5. Step 5: Solve for x
    x = 1,182,153,935.77/43,200.37
  6. Step 6: Final answer
    x = 27,364.44

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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.