Home / 30,247.64-45,309.04-17,729.65

Finding the Fourth Proportional to 30,247.64, 45,309.04 and 17,729.65

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Solution

The fourth proportional to 30,247.64, 45,309.04 and 17,729.65 is: 26,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.64 : 45,309.04 = 17,729.65 : x
  2. Step 2: Convert to fraction form
    30,247.64/45,309.04 = 17,729.65/x
  3. Step 3: Cross multiply
    30,247.64x = 45,309.04 × 17,729.65
  4. Step 4: Simplify right side
    30,247.64x = 803,313,433.35
  5. Step 5: Solve for x
    x = 803,313,433.35/30,247.64
  6. Step 6: Final answer
    x = 26,557.89

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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.