Home / 34,523.48-47,644.13-19,420.90

Finding the Fourth Proportional to 34,523.48, 47,644.13 and 19,420.90

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Solution

The fourth proportional to 34,523.48, 47,644.13 and 19,420.90 is: 26,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,523.48 : 47,644.13 = 19,420.90 : x
  2. Step 2: Convert to fraction form
    34,523.48/47,644.13 = 19,420.90/x
  3. Step 3: Cross multiply
    34,523.48x = 47,644.13 × 19,420.90
  4. Step 4: Simplify right side
    34,523.48x = 925,291,884.32
  5. Step 5: Solve for x
    x = 925,291,884.32/34,523.48
  6. Step 6: Final answer
    x = 26,801.81

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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.