Home / 38,186.58-52,697.76-21,190.90

Finding the Fourth Proportional to 38,186.58, 52,697.76 and 21,190.90

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Solution

The fourth proportional to 38,186.58, 52,697.76 and 21,190.90 is: 29,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.58 : 52,697.76 = 21,190.90 : x
  2. Step 2: Convert to fraction form
    38,186.58/52,697.76 = 21,190.90/x
  3. Step 3: Cross multiply
    38,186.58x = 52,697.76 × 21,190.90
  4. Step 4: Simplify right side
    38,186.58x = 1,116,712,962.38
  5. Step 5: Solve for x
    x = 1,116,712,962.38/38,186.58
  6. Step 6: Final answer
    x = 29,243.60

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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.