Home / 29,158.99-40,258.77-22,432.75

Finding the Fourth Proportional to 29,158.99, 40,258.77 and 22,432.75

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Solution

The fourth proportional to 29,158.99, 40,258.77 and 22,432.75 is: 30,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,158.99 : 40,258.77 = 22,432.75 : x
  2. Step 2: Convert to fraction form
    29,158.99/40,258.77 = 22,432.75/x
  3. Step 3: Cross multiply
    29,158.99x = 40,258.77 × 22,432.75
  4. Step 4: Simplify right side
    29,158.99x = 903,114,721.42
  5. Step 5: Solve for x
    x = 903,114,721.42/29,158.99
  6. Step 6: Final answer
    x = 30,972.09

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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.