Home / 29,515.87-40,730.72-16,086.84

Finding the Fourth Proportional to 29,515.87, 40,730.72 and 16,086.84

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Solution

The fourth proportional to 29,515.87, 40,730.72 and 16,086.84 is: 22,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.87 : 40,730.72 = 16,086.84 : x
  2. Step 2: Convert to fraction form
    29,515.87/40,730.72 = 16,086.84/x
  3. Step 3: Cross multiply
    29,515.87x = 40,730.72 × 16,086.84
  4. Step 4: Simplify right side
    29,515.87x = 655,228,495.29
  5. Step 5: Solve for x
    x = 655,228,495.29/29,515.87
  6. Step 6: Final answer
    x = 22,199.19

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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.