Home / 38,661.23-53,378.08-29,692.64

Finding the Fourth Proportional to 38,661.23, 53,378.08 and 29,692.64

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Solution

The fourth proportional to 38,661.23, 53,378.08 and 29,692.64 is: 40,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.23 : 53,378.08 = 29,692.64 : x
  2. Step 2: Convert to fraction form
    38,661.23/53,378.08 = 29,692.64/x
  3. Step 3: Cross multiply
    38,661.23x = 53,378.08 × 29,692.64
  4. Step 4: Simplify right side
    38,661.23x = 1,584,935,772.21
  5. Step 5: Solve for x
    x = 1,584,935,772.21/38,661.23
  6. Step 6: Final answer
    x = 40,995.49

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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.