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Finding the Fourth Proportional to 36,615.40, 50,529.30 and 19,848.40

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Solution

The fourth proportional to 36,615.40, 50,529.30 and 19,848.40 is: 27,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,615.40 : 50,529.30 = 19,848.40 : x
  2. Step 2: Convert to fraction form
    36,615.40/50,529.30 = 19,848.40/x
  3. Step 3: Cross multiply
    36,615.40x = 50,529.30 × 19,848.40
  4. Step 4: Simplify right side
    36,615.40x = 1,002,925,758.12
  5. Step 5: Solve for x
    x = 1,002,925,758.12/36,615.40
  6. Step 6: Final answer
    x = 27,390.82

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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.