Home / 36,427.85-50,274.03-21,319.61

Finding the Fourth Proportional to 36,427.85, 50,274.03 and 21,319.61

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Solution

The fourth proportional to 36,427.85, 50,274.03 and 21,319.61 is: 29,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427.85 : 50,274.03 = 21,319.61 : x
  2. Step 2: Convert to fraction form
    36,427.85/50,274.03 = 21,319.61/x
  3. Step 3: Cross multiply
    36,427.85x = 50,274.03 × 21,319.61
  4. Step 4: Simplify right side
    36,427.85x = 1,071,822,712.73
  5. Step 5: Solve for x
    x = 1,071,822,712.73/36,427.85
  6. Step 6: Final answer
    x = 29,423.17

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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.