Home / 29,312.21-40,450.80-15,883.83

Finding the Fourth Proportional to 29,312.21, 40,450.80 and 15,883.83

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Solution

The fourth proportional to 29,312.21, 40,450.80 and 15,883.83 is: 21,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.21 : 40,450.80 = 15,883.83 : x
  2. Step 2: Convert to fraction form
    29,312.21/40,450.80 = 15,883.83/x
  3. Step 3: Cross multiply
    29,312.21x = 40,450.80 × 15,883.83
  4. Step 4: Simplify right side
    29,312.21x = 642,513,630.56
  5. Step 5: Solve for x
    x = 642,513,630.56/29,312.21
  6. Step 6: Final answer
    x = 21,919.66

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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.