Home / 38,661.15-53,378.09-29,692.63

Finding the Fourth Proportional to 38,661.15, 53,378.09 and 29,692.63

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Solution

The fourth proportional to 38,661.15, 53,378.09 and 29,692.63 is: 40,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.15 : 53,378.09 = 29,692.63 : x
  2. Step 2: Convert to fraction form
    38,661.15/53,378.09 = 29,692.63/x
  3. Step 3: Cross multiply
    38,661.15x = 53,378.09 × 29,692.63
  4. Step 4: Simplify right side
    38,661.15x = 1,584,935,461.12
  5. Step 5: Solve for x
    x = 1,584,935,461.12/38,661.15
  6. Step 6: Final answer
    x = 40,995.56

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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.