Home / 38,343.03-52,912.85-21,347.25

Finding the Fourth Proportional to 38,343.03, 52,912.85 and 21,347.25

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Solution

The fourth proportional to 38,343.03, 52,912.85 and 21,347.25 is: 29,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,343.03 : 52,912.85 = 21,347.25 : x
  2. Step 2: Convert to fraction form
    38,343.03/52,912.85 = 21,347.25/x
  3. Step 3: Cross multiply
    38,343.03x = 52,912.85 × 21,347.25
  4. Step 4: Simplify right side
    38,343.03x = 1,129,543,730.43
  5. Step 5: Solve for x
    x = 1,129,543,730.43/38,343.03
  6. Step 6: Final answer
    x = 29,458.91

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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.