Home / 29,204.51-40,302.21-15,775.76

Finding the Fourth Proportional to 29,204.51, 40,302.21 and 15,775.76

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Solution

The fourth proportional to 29,204.51, 40,302.21 and 15,775.76 is: 21,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204.51 : 40,302.21 = 15,775.76 : x
  2. Step 2: Convert to fraction form
    29,204.51/40,302.21 = 15,775.76/x
  3. Step 3: Cross multiply
    29,204.51x = 40,302.21 × 15,775.76
  4. Step 4: Simplify right side
    29,204.51x = 635,797,913.55
  5. Step 5: Solve for x
    x = 635,797,913.55/29,204.51
  6. Step 6: Final answer
    x = 21,770.54

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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.