Home / 30,529.20-45,785.34-10,805.16

Finding the Fourth Proportional to 30,529.20, 45,785.34 and 10,805.16

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Solution

The fourth proportional to 30,529.20, 45,785.34 and 10,805.16 is: 16,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.20 : 45,785.34 = 10,805.16 : x
  2. Step 2: Convert to fraction form
    30,529.20/45,785.34 = 10,805.16/x
  3. Step 3: Cross multiply
    30,529.20x = 45,785.34 × 10,805.16
  4. Step 4: Simplify right side
    30,529.20x = 494,717,924.35
  5. Step 5: Solve for x
    x = 494,717,924.35/30,529.20
  6. Step 6: Final answer
    x = 16,204.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.