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Finding the Fourth Proportional to 29,908.40, 41,264.40 and 17,330.72

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Solution

The fourth proportional to 29,908.40, 41,264.40 and 17,330.72 is: 23,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,908.40 : 41,264.40 = 17,330.72 : x
  2. Step 2: Convert to fraction form
    29,908.40/41,264.40 = 17,330.72/x
  3. Step 3: Cross multiply
    29,908.40x = 41,264.40 × 17,330.72
  4. Step 4: Simplify right side
    29,908.40x = 715,141,762.37
  5. Step 5: Solve for x
    x = 715,141,762.37/29,908.40
  6. Step 6: Final answer
    x = 23,911.07

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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.