Home / 29,089.94-40,142.99-17,778.35

Finding the Fourth Proportional to 29,089.94, 40,142.99 and 17,778.35

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Solution

The fourth proportional to 29,089.94, 40,142.99 and 17,778.35 is: 24,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.94 : 40,142.99 = 17,778.35 : x
  2. Step 2: Convert to fraction form
    29,089.94/40,142.99 = 17,778.35/x
  3. Step 3: Cross multiply
    29,089.94x = 40,142.99 × 17,778.35
  4. Step 4: Simplify right side
    29,089.94x = 713,676,271.07
  5. Step 5: Solve for x
    x = 713,676,271.07/29,089.94
  6. Step 6: Final answer
    x = 24,533.44

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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.