Home / 29,719.77-41,017.48-18,392.91

Finding the Fourth Proportional to 29,719.77, 41,017.48 and 18,392.91

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Solution

The fourth proportional to 29,719.77, 41,017.48 and 18,392.91 is: 25,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.77 : 41,017.48 = 18,392.91 : x
  2. Step 2: Convert to fraction form
    29,719.77/41,017.48 = 18,392.91/x
  3. Step 3: Cross multiply
    29,719.77x = 41,017.48 × 18,392.91
  4. Step 4: Simplify right side
    29,719.77x = 754,430,618.27
  5. Step 5: Solve for x
    x = 754,430,618.27/29,719.77
  6. Step 6: Final answer
    x = 25,384.81

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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.