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Finding the Fourth Proportional to 29,477, 40,712.82 and 19,523.72

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Solution

The fourth proportional to 29,477, 40,712.82 and 19,523.72 is: 26,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477 : 40,712.82 = 19,523.72 : x
  2. Step 2: Convert to fraction form
    29,477/40,712.82 = 19,523.72/x
  3. Step 3: Cross multiply
    29,477x = 40,712.82 × 19,523.72
  4. Step 4: Simplify right side
    29,477x = 794,865,698.09
  5. Step 5: Solve for x
    x = 794,865,698.09/29,477
  6. Step 6: Final answer
    x = 26,965.62

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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.