Home / 29,390.10-40,579.47-18,074.82

Finding the Fourth Proportional to 29,390.10, 40,579.47 and 18,074.82

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Solution

The fourth proportional to 29,390.10, 40,579.47 and 18,074.82 is: 24,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.10 : 40,579.47 = 18,074.82 : x
  2. Step 2: Convert to fraction form
    29,390.10/40,579.47 = 18,074.82/x
  3. Step 3: Cross multiply
    29,390.10x = 40,579.47 × 18,074.82
  4. Step 4: Simplify right side
    29,390.10x = 733,466,615.95
  5. Step 5: Solve for x
    x = 733,466,615.95/29,390.10
  6. Step 6: Final answer
    x = 24,956.25

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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.