Home / 29,700.31-40,987.77-16,956.94

Finding the Fourth Proportional to 29,700.31, 40,987.77 and 16,956.94

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Solution

The fourth proportional to 29,700.31, 40,987.77 and 16,956.94 is: 23,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.31 : 40,987.77 = 16,956.94 : x
  2. Step 2: Convert to fraction form
    29,700.31/40,987.77 = 16,956.94/x
  3. Step 3: Cross multiply
    29,700.31x = 40,987.77 × 16,956.94
  4. Step 4: Simplify right side
    29,700.31x = 695,027,156.62
  5. Step 5: Solve for x
    x = 695,027,156.62/29,700.31
  6. Step 6: Final answer
    x = 23,401.34

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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.