Home / 29,142.24-40,232.88-19,235.04

Finding the Fourth Proportional to 29,142.24, 40,232.88 and 19,235.04

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Solution

The fourth proportional to 29,142.24, 40,232.88 and 19,235.04 is: 26,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.24 : 40,232.88 = 19,235.04 : x
  2. Step 2: Convert to fraction form
    29,142.24/40,232.88 = 19,235.04/x
  3. Step 3: Cross multiply
    29,142.24x = 40,232.88 × 19,235.04
  4. Step 4: Simplify right side
    29,142.24x = 773,881,056.12
  5. Step 5: Solve for x
    x = 773,881,056.12/29,142.24
  6. Step 6: Final answer
    x = 26,555.30

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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.