Home / 29,688.61-40,969.48-16,941.56

Finding the Fourth Proportional to 29,688.61, 40,969.48 and 16,941.56

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Solution

The fourth proportional to 29,688.61, 40,969.48 and 16,941.56 is: 23,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.61 : 40,969.48 = 16,941.56 : x
  2. Step 2: Convert to fraction form
    29,688.61/40,969.48 = 16,941.56/x
  3. Step 3: Cross multiply
    29,688.61x = 40,969.48 × 16,941.56
  4. Step 4: Simplify right side
    29,688.61x = 694,086,818.88
  5. Step 5: Solve for x
    x = 694,086,818.88/29,688.61
  6. Step 6: Final answer
    x = 23,378.89

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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.