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Finding the Fourth Proportional to 29,373.84, 40,508.10 and 19,284.48

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Solution

The fourth proportional to 29,373.84, 40,508.10 and 19,284.48 is: 26,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,373.84 : 40,508.10 = 19,284.48 : x
  2. Step 2: Convert to fraction form
    29,373.84/40,508.10 = 19,284.48/x
  3. Step 3: Cross multiply
    29,373.84x = 40,508.10 × 19,284.48
  4. Step 4: Simplify right side
    29,373.84x = 781,177,644.29
  5. Step 5: Solve for x
    x = 781,177,644.29/29,373.84
  6. Step 6: Final answer
    x = 26,594.33

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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.