Home / 29,312.62-40,450.99-15,883.57

Finding the Fourth Proportional to 29,312.62, 40,450.99 and 15,883.57

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Solution

The fourth proportional to 29,312.62, 40,450.99 and 15,883.57 is: 21,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.62 : 40,450.99 = 15,883.57 : x
  2. Step 2: Convert to fraction form
    29,312.62/40,450.99 = 15,883.57/x
  3. Step 3: Cross multiply
    29,312.62x = 40,450.99 × 15,883.57
  4. Step 4: Simplify right side
    29,312.62x = 642,506,131.23
  5. Step 5: Solve for x
    x = 642,506,131.23/29,312.62
  6. Step 6: Final answer
    x = 21,919.10

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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.